Auto merge of #14795 - Veykril:hl-macros, r=Veykril

fix: Add macro modifier for highlighting tokens in macro calls

Followup to https://github.com/rust-lang/rust-analyzer/pull/14777 we have to tell the client about the semantic tokens inside macro calls as those can be remapped. Adding a modifier will force this behavior.
This commit is contained in:
bors 2023-05-13 09:44:41 +00:00
commit e9f9bc26e8
12 changed files with 172 additions and 131 deletions

View File

@ -166,6 +166,7 @@ pub struct HighlightConfig {
// injected:: Emitted for doc-string injected highlighting like rust source blocks in documentation.
// intraDocLink:: Emitted for intra doc links in doc-strings.
// library:: Emitted for items that are defined outside of the current crate.
// macro:: Emitted for tokens inside macro calls.
// mutable:: Emitted for mutable locals and statics as well as functions taking `&mut self`.
// public:: Emitted for items that are from the current crate and are `pub`.
// reference:: Emitted for locals behind a reference and functions taking `self` by reference.
@ -240,6 +241,7 @@ fn traverse(
let mut current_macro: Option<ast::Macro> = None;
let mut macro_highlighter = MacroHighlighter::default();
let mut inside_attribute = false;
let mut inside_macro_call = false;
// Walk all nodes, keeping track of whether we are inside a macro or not.
// If in macro, expand it first and highlight the expanded code.
@ -270,46 +272,50 @@ fn traverse(
inside_attribute = false
}
Enter(NodeOrToken::Node(node)) if ast::Item::can_cast(node.kind()) => {
match ast::Item::cast(node.clone()) {
Some(ast::Item::MacroRules(mac)) => {
macro_highlighter.init();
current_macro = Some(mac.into());
continue;
}
Some(ast::Item::MacroDef(mac)) => {
macro_highlighter.init();
current_macro = Some(mac.into());
continue;
}
Some(item) => {
if matches!(node.kind(), FN | CONST | STATIC) {
bindings_shadow_count.clear();
Enter(NodeOrToken::Node(node)) => match ast::Item::cast(node.clone()) {
Some(item) => {
match item {
ast::Item::MacroRules(mac) => {
macro_highlighter.init();
current_macro = Some(mac.into());
continue;
}
ast::Item::MacroDef(mac) => {
macro_highlighter.init();
current_macro = Some(mac.into());
continue;
}
ast::Item::Fn(_) | ast::Item::Const(_) | ast::Item::Static(_) => {
bindings_shadow_count.clear()
}
ast::Item::MacroCall(_) => {
inside_macro_call = true;
}
_ => (),
}
if attr_or_derive_item.is_none() {
if sema.is_attr_macro_call(&item) {
attr_or_derive_item = Some(AttrOrDerive::Attr(item));
} else {
let adt = match item {
ast::Item::Enum(it) => Some(ast::Adt::Enum(it)),
ast::Item::Struct(it) => Some(ast::Adt::Struct(it)),
ast::Item::Union(it) => Some(ast::Adt::Union(it)),
_ => None,
};
match adt {
Some(adt) if sema.is_derive_annotated(&adt) => {
attr_or_derive_item =
Some(AttrOrDerive::Derive(ast::Item::from(adt)));
}
_ => (),
if attr_or_derive_item.is_none() {
if sema.is_attr_macro_call(&item) {
attr_or_derive_item = Some(AttrOrDerive::Attr(item));
} else {
let adt = match item {
ast::Item::Enum(it) => Some(ast::Adt::Enum(it)),
ast::Item::Struct(it) => Some(ast::Adt::Struct(it)),
ast::Item::Union(it) => Some(ast::Adt::Union(it)),
_ => None,
};
match adt {
Some(adt) if sema.is_derive_annotated(&adt) => {
attr_or_derive_item =
Some(AttrOrDerive::Derive(ast::Item::from(adt)));
}
_ => (),
}
}
}
_ => (),
}
}
_ => (),
},
Leave(NodeOrToken::Node(node)) if ast::Item::can_cast(node.kind()) => {
match ast::Item::cast(node.clone()) {
Some(ast::Item::MacroRules(mac)) => {
@ -327,6 +333,9 @@ fn traverse(
{
attr_or_derive_item = None;
}
Some(ast::Item::MacroCall(_)) => {
inside_macro_call = false;
}
_ => (),
}
}
@ -476,6 +485,9 @@ fn traverse(
if inside_attribute {
highlight |= HlMod::Attribute
}
if inside_macro_call && tt_level > 0 {
highlight |= HlMod::Macro
}
hl.add(HlRange { range, highlight, binding_hash });
}

View File

@ -52,7 +52,11 @@ pub(super) fn ra_fixture(
if let Some(next) = text.strip_prefix(marker) {
if let Some(range) = literal.map_range_up(TextRange::at(offset, TextSize::of(marker))) {
hl.add(HlRange { range, highlight: HlTag::Keyword.into(), binding_hash: None });
hl.add(HlRange {
range,
highlight: HlTag::Keyword | HlMod::Injected,
binding_hash: None,
});
}
text = next;
@ -66,7 +70,16 @@ pub(super) fn ra_fixture(
for mut hl_range in analysis
.highlight(
HighlightConfig { syntactic_name_ref_highlighting: false, ..config },
HighlightConfig {
syntactic_name_ref_highlighting: false,
punctuation: true,
operator: true,
strings: true,
specialize_punctuation: config.specialize_punctuation,
specialize_operator: config.operator,
inject_doc_comment: config.inject_doc_comment,
macro_bang: config.macro_bang,
},
tmp_file_id,
)
.unwrap()
@ -74,6 +87,7 @@ pub(super) fn ra_fixture(
for range in inj.map_range_up(hl_range.range) {
if let Some(range) = literal.map_range_up(range) {
hl_range.range = range;
hl_range.highlight |= HlMod::Injected;
hl.add(hl_range);
}
}
@ -217,7 +231,16 @@ pub(super) fn doc_comment(
if let Ok(ranges) = analysis.with_db(|db| {
super::highlight(
db,
HighlightConfig { syntactic_name_ref_highlighting: true, ..config },
HighlightConfig {
syntactic_name_ref_highlighting: true,
punctuation: true,
operator: true,
strings: true,
specialize_punctuation: config.specialize_punctuation,
specialize_operator: config.operator,
inject_doc_comment: config.inject_doc_comment,
macro_bang: config.macro_bang,
},
tmp_file_id,
None,
)

View File

@ -49,7 +49,7 @@ pub enum HlMod {
Associated = 0,
/// Used with keywords like `async` and `await`.
Async,
/// Used to differentiate individual elements within attributes.
/// Used to differentiate individual elements within attribute calls.
Attribute,
/// Callable item or value.
Callable,
@ -72,6 +72,8 @@ pub enum HlMod {
IntraDocLink,
/// Used for items from other crates.
Library,
/// Used to differentiate individual elements within macro calls.
Macro,
/// Mutable binding.
Mutable,
/// Used for public items.
@ -200,7 +202,7 @@ impl fmt::Display for HlTag {
}
impl HlMod {
const ALL: &'static [HlMod; 19] = &[
const ALL: &'static [HlMod; HlMod::Unsafe as usize + 1] = &[
HlMod::Associated,
HlMod::Async,
HlMod::Attribute,
@ -214,6 +216,7 @@ impl HlMod {
HlMod::Injected,
HlMod::IntraDocLink,
HlMod::Library,
HlMod::Macro,
HlMod::Mutable,
HlMod::Public,
HlMod::Reference,
@ -237,6 +240,7 @@ impl HlMod {
HlMod::Injected => "injected",
HlMod::IntraDocLink => "intra_doc_link",
HlMod::Library => "library",
HlMod::Macro => "macro",
HlMod::Mutable => "mutable",
HlMod::Public => "public",
HlMod::Reference => "reference",

View File

@ -93,7 +93,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="comment documentation">///</span><span class="comment documentation"> </span><span class="keyword injected">let</span><span class="none injected"> </span><span class="variable declaration injected">foo</span><span class="none injected"> </span><span class="operator injected">=</span><span class="none injected"> </span><span class="struct injected">Foo</span><span class="operator injected">::</span><span class="function injected">new</span><span class="parenthesis injected">(</span><span class="parenthesis injected">)</span><span class="semicolon injected">;</span>
<span class="comment documentation">///</span>
<span class="comment documentation">///</span><span class="comment documentation"> </span><span class="comment injected">// calls bar on foo</span>
<span class="comment documentation">///</span><span class="comment documentation"> </span><span class="macro injected">assert</span><span class="macro_bang injected">!</span><span class="parenthesis injected">(</span><span class="none injected">foo</span><span class="operator injected">.</span><span class="none injected">bar</span><span class="parenthesis injected">(</span><span class="parenthesis injected">)</span><span class="parenthesis injected">)</span><span class="semicolon injected">;</span>
<span class="comment documentation">///</span><span class="comment documentation"> </span><span class="macro injected">assert</span><span class="macro_bang injected">!</span><span class="parenthesis injected macro">(</span><span class="none injected macro">foo</span><span class="operator injected macro">.</span><span class="none injected macro">bar</span><span class="parenthesis injected macro">(</span><span class="parenthesis injected macro">)</span><span class="parenthesis injected macro">)</span><span class="semicolon injected">;</span>
<span class="comment documentation">///</span>
<span class="comment documentation">///</span><span class="comment documentation"> </span><span class="keyword injected">let</span><span class="none injected"> </span><span class="variable declaration injected">bar</span><span class="none injected"> </span><span class="operator injected">=</span><span class="none injected"> </span><span class="variable injected">foo</span><span class="operator injected">.</span><span class="field injected">bar</span><span class="none injected"> </span><span class="logical injected">||</span><span class="none injected"> </span><span class="struct injected">Foo</span><span class="operator injected">::</span><span class="constant injected">bar</span><span class="semicolon injected">;</span>
<span class="comment documentation">///</span>
@ -145,7 +145,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="comment documentation">/// ```</span>
<span class="comment documentation">///</span><span class="comment documentation"> </span><span class="keyword injected">macro_rules</span><span class="macro_bang injected">!</span><span class="none injected"> </span><span class="macro declaration injected">noop</span><span class="none injected"> </span><span class="brace injected">{</span><span class="none injected"> </span><span class="parenthesis injected">(</span><span class="punctuation injected">$</span><span class="none injected">expr</span><span class="colon injected">:</span><span class="none injected">expr</span><span class="parenthesis injected">)</span><span class="none injected"> </span><span class="operator injected">=</span><span class="angle injected">&gt;</span><span class="none injected"> </span><span class="brace injected">{</span><span class="none injected"> </span><span class="punctuation injected">$</span><span class="none injected">expr </span><span class="brace injected">}</span><span class="brace injected">}</span>
<span class="comment documentation">///</span><span class="comment documentation"> </span><span class="macro injected">noop</span><span class="macro_bang injected">!</span><span class="parenthesis injected">(</span><span class="numeric_literal injected">1</span><span class="parenthesis injected">)</span><span class="semicolon injected">;</span>
<span class="comment documentation">///</span><span class="comment documentation"> </span><span class="macro injected">noop</span><span class="macro_bang injected">!</span><span class="parenthesis injected macro">(</span><span class="numeric_literal injected macro">1</span><span class="parenthesis injected macro">)</span><span class="semicolon injected">;</span>
<span class="comment documentation">/// ```</span>
<span class="keyword">macro_rules</span><span class="macro_bang">!</span> <span class="macro declaration">noop</span> <span class="brace">{</span>
<span class="parenthesis">(</span><span class="punctuation">$</span>expr<span class="colon">:</span>expr<span class="parenthesis">)</span> <span class="operator">=</span><span class="angle">&gt;</span> <span class="brace">{</span>
@ -165,7 +165,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="comment documentation">///</span>
<span class="attribute_bracket attribute">#</span><span class="attribute_bracket attribute">[</span><span class="builtin_attr attribute library">cfg_attr</span><span class="parenthesis attribute">(</span><span class="none attribute">feature</span> <span class="operator attribute">=</span> <span class="string_literal attribute">"alloc"</span><span class="comma attribute">,</span> <span class="none attribute">doc</span> <span class="operator attribute">=</span> <span class="string_literal attribute">"```rust"</span><span class="parenthesis attribute">)</span><span class="attribute_bracket attribute">]</span>
<span class="attribute_bracket attribute">#</span><span class="attribute_bracket attribute">[</span><span class="builtin_attr attribute library">cfg_attr</span><span class="parenthesis attribute">(</span><span class="none attribute">not</span><span class="parenthesis attribute">(</span><span class="none attribute">feature</span> <span class="operator attribute">=</span> <span class="string_literal attribute">"alloc"</span><span class="parenthesis attribute">)</span><span class="comma attribute">,</span> <span class="none attribute">doc</span> <span class="operator attribute">=</span> <span class="string_literal attribute">"```ignore"</span><span class="parenthesis attribute">)</span><span class="attribute_bracket attribute">]</span>
<span class="comment documentation">///</span><span class="comment documentation"> </span><span class="keyword injected">let</span><span class="none injected"> </span><span class="punctuation injected">_</span><span class="none injected"> </span><span class="operator injected">=</span><span class="none injected"> </span><span class="function injected">example</span><span class="parenthesis injected">(</span><span class="operator injected">&</span><span class="module injected">alloc</span><span class="operator injected">::</span><span class="macro injected">vec</span><span class="macro_bang injected">!</span><span class="bracket injected">[</span><span class="numeric_literal injected">1</span><span class="comma injected">,</span><span class="none injected"> </span><span class="numeric_literal injected">2</span><span class="comma injected">,</span><span class="none injected"> </span><span class="numeric_literal injected">3</span><span class="bracket injected">]</span><span class="parenthesis injected">)</span><span class="semicolon injected">;</span>
<span class="comment documentation">///</span><span class="comment documentation"> </span><span class="keyword injected">let</span><span class="none injected"> </span><span class="punctuation injected">_</span><span class="none injected"> </span><span class="operator injected">=</span><span class="none injected"> </span><span class="function injected">example</span><span class="parenthesis injected">(</span><span class="operator injected">&</span><span class="module injected">alloc</span><span class="operator injected">::</span><span class="macro injected">vec</span><span class="macro_bang injected">!</span><span class="bracket injected macro">[</span><span class="numeric_literal injected macro">1</span><span class="comma injected macro">,</span><span class="none injected"> </span><span class="numeric_literal injected macro">2</span><span class="comma injected macro">,</span><span class="none injected"> </span><span class="numeric_literal injected macro">3</span><span class="bracket injected macro">]</span><span class="parenthesis injected">)</span><span class="semicolon injected">;</span>
<span class="comment documentation">/// ```</span>
<span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration public">mix_and_match</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>

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@ -178,7 +178,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="keyword">impl</span><span class="angle">&lt;</span><span class="type_param declaration">T</span><span class="angle">&gt;</span> <span class="enum">Option</span><span class="angle">&lt;</span><span class="type_param">T</span><span class="angle">&gt;</span> <span class="brace">{</span>
<span class="keyword">fn</span> <span class="function associated consuming declaration">and</span><span class="angle">&lt;</span><span class="type_param declaration">U</span><span class="angle">&gt;</span><span class="parenthesis">(</span><span class="self_keyword declaration">self</span><span class="comma">,</span> <span class="value_param declaration">other</span><span class="colon">:</span> <span class="enum">Option</span><span class="angle">&lt;</span><span class="type_param">U</span><span class="angle">&gt;</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="enum">Option</span><span class="angle">&lt;</span><span class="parenthesis">(</span><span class="type_param">T</span><span class="comma">,</span> <span class="type_param">U</span><span class="parenthesis">)</span><span class="angle">&gt;</span> <span class="brace">{</span>
<span class="keyword control">match</span> <span class="value_param">other</span> <span class="brace">{</span>
<span class="enum_variant">None</span> <span class="operator">=&gt;</span> <span class="unresolved_reference">unimplemented</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="comma">,</span>
<span class="enum_variant">None</span> <span class="operator">=&gt;</span> <span class="unresolved_reference">unimplemented</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="parenthesis macro">)</span><span class="comma">,</span>
<span class="variable declaration">Nope</span> <span class="operator">=&gt;</span> <span class="variable">Nope</span><span class="comma">,</span>
<span class="brace">}</span>
<span class="brace">}</span>
@ -192,7 +192,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="keyword async">async</span> <span class="keyword">fn</span> <span class="function async declaration">async_main</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
<span class="keyword">let</span> <span class="variable declaration">f1</span> <span class="operator">=</span> <span class="function async">learn_and_sing</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="keyword">let</span> <span class="variable declaration">f2</span> <span class="operator">=</span> <span class="unresolved_reference">dance</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="unresolved_reference">futures</span><span class="operator">::</span><span class="unresolved_reference">join</span><span class="macro_bang">!</span><span class="parenthesis">(</span>f1<span class="comma">,</span> f2<span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="unresolved_reference">futures</span><span class="operator">::</span><span class="unresolved_reference">join</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="none macro">f1</span><span class="comma macro">,</span> <span class="none macro">f2</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="brace">}</span>
<span class="keyword">fn</span> <span class="function declaration">use_foo_items</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
@ -204,7 +204,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="keyword">let</span> <span class="variable declaration">control_flow</span> <span class="operator">=</span> <span class="module crate_root library">foo</span><span class="operator">::</span><span class="function library">identity</span><span class="parenthesis">(</span><span class="module crate_root library">foo</span><span class="operator">::</span><span class="enum library">ControlFlow</span><span class="operator">::</span><span class="enum_variant library">Continue</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="keyword control">if</span> <span class="variable">control_flow</span><span class="operator">.</span><span class="function associated consuming library">should_die</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
<span class="module crate_root library">foo</span><span class="operator">::</span><span class="unresolved_reference">die</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="module crate_root library">foo</span><span class="operator">::</span><span class="unresolved_reference">die</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="brace">}</span>
<span class="brace">}</span>

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@ -45,18 +45,18 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<pre><code><span class="keyword">fn</span> <span class="function declaration">fixture</span><span class="parenthesis">(</span><span class="value_param declaration reference">ra_fixture</span><span class="colon">:</span> <span class="punctuation">&</span><span class="builtin_type">str</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
<span class="keyword">fn</span> <span class="function declaration">main</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
<span class="function">fixture</span><span class="parenthesis">(</span><span class="string_literal">r#"</span>
<span class="keyword">trait</span> <span class="trait declaration">Foo</span> <span class="brace">{</span>
<span class="keyword">fn</span> <span class="function associated declaration static trait">foo</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
<span class="unresolved_reference">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"2 + 2 = {}"</span><span class="comma">,</span> <span class="numeric_literal">4</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="brace">}</span>
<span class="brace">}</span><span class="string_literal">"#</span>
<span class="function">fixture</span><span class="parenthesis">(</span><span class="string_literal">r#"</span><span class="none injected">
</span><span class="keyword injected">trait</span><span class="none injected"> </span><span class="trait declaration injected">Foo</span><span class="none injected"> </span><span class="brace injected">{</span><span class="none injected">
</span><span class="keyword injected">fn</span><span class="none injected"> </span><span class="function associated declaration injected static trait">foo</span><span class="parenthesis injected">(</span><span class="parenthesis injected">)</span><span class="none injected"> </span><span class="brace injected">{</span><span class="none injected">
</span><span class="unresolved_reference injected">println</span><span class="macro_bang injected">!</span><span class="parenthesis injected macro">(</span><span class="string_literal injected macro">"2 + 2 = {}"</span><span class="comma injected macro">,</span><span class="none injected"> </span><span class="numeric_literal injected macro">4</span><span class="parenthesis injected macro">)</span><span class="semicolon injected">;</span><span class="none injected">
</span><span class="brace injected">}</span><span class="none injected">
</span><span class="brace injected">}</span><span class="string_literal">"#</span>
<span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="function">fixture</span><span class="parenthesis">(</span><span class="string_literal">r"</span>
<span class="keyword">fn</span> <span class="function declaration">foo</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
<span class="function">foo</span><span class="parenthesis">(</span><span class="keyword">$0</span><span class="brace">{</span>
<span class="numeric_literal">92</span>
<span class="brace">}</span><span class="keyword">$0</span><span class="parenthesis">)</span>
<span class="brace">}</span><span class="string_literal">"</span>
<span class="function">fixture</span><span class="parenthesis">(</span><span class="string_literal">r"</span><span class="none injected">
</span><span class="keyword injected">fn</span><span class="none injected"> </span><span class="function declaration injected">foo</span><span class="parenthesis injected">(</span><span class="parenthesis injected">)</span><span class="none injected"> </span><span class="brace injected">{</span><span class="none injected">
</span><span class="function injected">foo</span><span class="parenthesis injected">(</span><span class="keyword injected">$0</span><span class="brace injected">{</span><span class="none injected">
</span><span class="numeric_literal injected">92</span><span class="none injected">
</span><span class="brace injected">}</span><span class="keyword injected">$0</span><span class="parenthesis injected">)</span><span class="none injected">
</span><span class="brace injected">}</span><span class="string_literal">"</span>
<span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="brace">}</span></code></pre>

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@ -53,6 +53,6 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="keyword">macro_rules</span><span class="macro_bang">!</span> <span class="macro declaration">void</span> <span class="brace">{</span>
<span class="parenthesis">(</span><span class="punctuation">$</span><span class="parenthesis">(</span><span class="punctuation">$</span>tt<span class="colon">:</span>tt<span class="parenthesis">)</span><span class="punctuation">*</span><span class="parenthesis">)</span> <span class="operator">=</span><span class="angle">&gt;</span> <span class="brace">{</span><span class="brace">}</span>
<span class="brace">}</span>
<span class="macro">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="keyword">Self</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">void</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="keyword macro">Self</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="keyword">struct</span> <span class="struct declaration">__</span> <span class="keyword">where</span> <span class="self_type_keyword">Self</span><span class="colon">:</span><span class="semicolon">;</span>
<span class="keyword">fn</span> <span class="function declaration">__</span><span class="parenthesis">(</span><span class="punctuation">_</span><span class="colon">:</span> <span class="unresolved_reference">Self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span></code></pre>

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@ -42,21 +42,21 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
.unresolved_reference { color: #FC5555; text-decoration: wavy underline; }
</style>
<pre><code><span class="module crate_root library">proc_macros</span><span class="operator">::</span><span class="macro library">mirror</span><span class="macro_bang">!</span> <span class="brace">{</span>
<span class="brace">{</span>
<span class="comma">,</span><span class="builtin_type">i32</span> <span class="colon">:</span><span class="field declaration public">x</span> <span class="keyword">pub</span>
<span class="comma">,</span><span class="builtin_type">i32</span> <span class="colon">:</span><span class="field declaration public">y</span> <span class="keyword">pub</span>
<span class="brace">}</span> <span class="struct declaration">Foo</span> <span class="keyword">struct</span>
<span class="brace">}</span>
<pre><code><span class="module crate_root library">proc_macros</span><span class="operator">::</span><span class="macro library">mirror</span><span class="macro_bang">!</span> <span class="brace macro">{</span>
<span class="brace macro">{</span>
<span class="comma macro">,</span><span class="builtin_type macro">i32</span> <span class="colon macro">:</span><span class="field declaration macro public">x</span> <span class="keyword macro">pub</span>
<span class="comma macro">,</span><span class="builtin_type macro">i32</span> <span class="colon macro">:</span><span class="field declaration macro public">y</span> <span class="keyword macro">pub</span>
<span class="brace macro">}</span> <span class="struct declaration macro">Foo</span> <span class="keyword macro">struct</span>
<span class="brace macro">}</span>
<span class="keyword">macro_rules</span><span class="macro_bang">!</span> <span class="macro declaration">def_fn</span> <span class="brace">{</span>
<span class="parenthesis">(</span><span class="punctuation">$</span><span class="parenthesis">(</span><span class="punctuation">$</span>tt<span class="colon">:</span>tt<span class="parenthesis">)</span><span class="punctuation">*</span><span class="parenthesis">)</span> <span class="operator">=</span><span class="angle">&gt;</span> <span class="brace">{</span><span class="punctuation">$</span><span class="parenthesis">(</span><span class="punctuation">$</span>tt<span class="parenthesis">)</span><span class="punctuation">*</span><span class="brace">}</span>
<span class="brace">}</span>
<span class="macro">def_fn</span><span class="macro_bang">!</span> <span class="brace">{</span>
<span class="keyword">fn</span> <span class="function declaration">bar</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="operator">-</span><span class="operator">&gt;</span> <span class="builtin_type">u32</span> <span class="brace">{</span>
<span class="numeric_literal">100</span>
<span class="brace">}</span>
<span class="brace">}</span>
<span class="macro">def_fn</span><span class="macro_bang">!</span> <span class="brace macro">{</span>
<span class="keyword macro">fn</span> <span class="function declaration macro">bar</span><span class="parenthesis macro">(</span><span class="parenthesis macro">)</span> <span class="operator macro">-</span><span class="operator macro">&gt;</span> <span class="builtin_type macro">u32</span> <span class="brace macro">{</span>
<span class="numeric_literal macro">100</span>
<span class="brace macro">}</span>
<span class="brace macro">}</span>
<span class="keyword">macro_rules</span><span class="macro_bang">!</span> <span class="macro declaration">dont_color_me_braces</span> <span class="brace">{</span>
<span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="operator">=</span><span class="angle">&gt;</span> <span class="brace">{</span><span class="numeric_literal">0</span><span class="brace">}</span>
@ -90,7 +90,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="brace">}</span>
<span class="keyword">fn</span> <span class="function declaration">main</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
<span class="unresolved_reference">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello, {}!"</span><span class="comma">,</span> <span class="numeric_literal">92</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">dont_color_me_braces</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">noop</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="macro">noop</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="numeric_literal">1</span><span class="parenthesis">)</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="unresolved_reference">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello, {}!"</span><span class="comma macro">,</span> <span class="numeric_literal macro">92</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">dont_color_me_braces</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">noop</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="macro macro">noop</span><span class="macro_bang macro">!</span><span class="parenthesis macro">(</span><span class="numeric_literal macro">1</span><span class="parenthesis macro">)</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="brace">}</span></code></pre>

View File

@ -103,73 +103,73 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="keyword">let</span> <span class="variable declaration">a</span> <span class="operator">=</span> <span class="char_literal">'</span><span class="escape_sequence">\x65</span><span class="char_literal">'</span><span class="semicolon">;</span>
<span class="keyword">let</span> <span class="variable declaration">a</span> <span class="operator">=</span> <span class="char_literal">'</span><span class="escape_sequence">\x00</span><span class="char_literal">'</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="escape_sequence">{{</span><span class="string_literal">Hello</span><span class="escape_sequence">}}</span><span class="string_literal">"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="escape_sequence">{{</span><span class="string_literal macro">Hello</span><span class="escape_sequence">}}</span><span class="string_literal macro">"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="comment">// from https://doc.rust-lang.org/std/fmt/index.html</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello"</span><span class="parenthesis">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "Hello"</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello, </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="string_literal">"world"</span><span class="parenthesis">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "Hello, world!"</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"The number is </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="numeric_literal">1</span><span class="parenthesis">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "The number is 1"</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">?</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="parenthesis">(</span><span class="numeric_literal">3</span><span class="comma">,</span> <span class="numeric_literal">4</span><span class="parenthesis">)</span><span class="parenthesis">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "(3, 4)"</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">value</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> value<span class="operator">=</span><span class="numeric_literal">4</span><span class="parenthesis">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "4"</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="numeric_literal">1</span><span class="comma">,</span> <span class="numeric_literal">2</span><span class="parenthesis">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "1 2"</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="numeric_literal">4</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="numeric_literal">42</span><span class="parenthesis">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "0042" with leading zerosV</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="numeric_literal">1</span><span class="comma">,</span> <span class="numeric_literal">2</span><span class="parenthesis">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "2 1 1 2"</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">argument</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> argument <span class="operator">=</span> <span class="string_literal">"test"</span><span class="parenthesis">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "test"</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="numeric_literal">1</span><span class="comma">,</span> name <span class="operator">=</span> <span class="numeric_literal">2</span><span class="parenthesis">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "2 1"</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">a</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="variable">c</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="variable">b</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> a<span class="operator">=</span><span class="string_literal">"a"</span><span class="comma">,</span> b<span class="operator">=</span><span class="char_literal">'b'</span><span class="comma">,</span> c<span class="operator">=</span><span class="numeric_literal">3</span><span class="parenthesis">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "a 3 b"</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="escape_sequence">{{</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="escape_sequence">}}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="numeric_literal">2</span><span class="parenthesis">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "{2}"</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">1</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="comma">,</span> <span class="numeric_literal">5</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="numeric_literal">5</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="variable">width</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="comma">,</span> width <span class="operator">=</span> <span class="numeric_literal">5</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">&lt;</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">-</span><span class="format_specifier">&lt;</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">^</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">&gt;</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">+</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="numeric_literal">5</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">#</span><span class="variable">x</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="numeric_literal">27</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="numeric_literal">5</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="numeric_literal">-</span><span class="numeric_literal">5</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">#</span><span class="numeric_literal">0</span><span class="numeric_literal">10</span><span class="variable">x</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="numeric_literal">27</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="comma">,</span> <span class="numeric_literal">0.01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">0</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="numeric_literal">5</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="comma">,</span> <span class="numeric_literal">0.01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">1</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="comma">,</span> <span class="numeric_literal">5</span><span class="comma">,</span> <span class="numeric_literal">0.01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="comma">,</span> <span class="numeric_literal">5</span><span class="comma">,</span> <span class="numeric_literal">0.01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="comma">,</span> <span class="numeric_literal">5</span><span class="comma">,</span> <span class="numeric_literal">0.01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="variable">number</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="variable">prec</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="comma">,</span> prec <span class="operator">=</span> <span class="numeric_literal">5</span><span class="comma">,</span> number <span class="operator">=</span> <span class="numeric_literal">0.01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">, `</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">` has 3 fractional digits"</span><span class="comma">,</span> <span class="string_literal">"Hello"</span><span class="comma">,</span> <span class="numeric_literal">3</span><span class="comma">,</span> name<span class="operator">=</span><span class="numeric_literal">1234.56</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">, `</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">` has 3 characters"</span><span class="comma">,</span> <span class="string_literal">"Hello"</span><span class="comma">,</span> <span class="numeric_literal">3</span><span class="comma">,</span> name<span class="operator">=</span><span class="string_literal">"1234.56"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">, `</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">:</span><span class="format_specifier">&gt;</span><span class="numeric_literal">8</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">` has 3 right-aligned characters"</span><span class="comma">,</span> <span class="string_literal">"Hello"</span><span class="comma">,</span> <span class="numeric_literal">3</span><span class="comma">,</span> name<span class="operator">=</span><span class="string_literal">"1234.56"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "Hello"</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello, </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="string_literal macro">"world"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "Hello, world!"</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"The number is </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">1</span><span class="parenthesis macro">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "The number is 1"</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">?</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="parenthesis macro">(</span><span class="numeric_literal macro">3</span><span class="comma macro">,</span> <span class="numeric_literal macro">4</span><span class="parenthesis macro">)</span><span class="parenthesis macro">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "(3, 4)"</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="variable">value</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="none macro">value</span><span class="operator macro">=</span><span class="numeric_literal macro">4</span><span class="parenthesis macro">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "4"</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">1</span><span class="comma macro">,</span> <span class="numeric_literal macro">2</span><span class="parenthesis macro">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "1 2"</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="numeric_literal">4</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">42</span><span class="parenthesis macro">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "0042" with leading zerosV</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">1</span><span class="comma macro">,</span> <span class="numeric_literal macro">2</span><span class="parenthesis macro">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "2 1 1 2"</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="variable">argument</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="none macro">argument</span> <span class="operator macro">=</span> <span class="string_literal macro">"test"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "test"</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">1</span><span class="comma macro">,</span> <span class="none macro">name</span> <span class="operator macro">=</span> <span class="numeric_literal macro">2</span><span class="parenthesis macro">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "2 1"</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="variable">a</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="variable">c</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="variable">b</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="none macro">a</span><span class="operator macro">=</span><span class="string_literal macro">"a"</span><span class="comma macro">,</span> <span class="none macro">b</span><span class="operator macro">=</span><span class="char_literal macro">'b'</span><span class="comma macro">,</span> <span class="none macro">c</span><span class="operator macro">=</span><span class="numeric_literal macro">3</span><span class="parenthesis macro">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "a 3 b"</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="escape_sequence">{{</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="escape_sequence">}}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">2</span><span class="parenthesis macro">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "{2}"</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">1</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="comma macro">,</span> <span class="numeric_literal macro">5</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="numeric_literal macro">5</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="variable">width</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="comma macro">,</span> <span class="none macro">width</span> <span class="operator macro">=</span> <span class="numeric_literal macro">5</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">&lt;</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">-</span><span class="format_specifier">&lt;</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">^</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">&gt;</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">+</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="numeric_literal macro">5</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">#</span><span class="variable">x</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="numeric_literal macro">27</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="numeric_literal macro">5</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="numeric_literal macro">-</span><span class="numeric_literal macro">5</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">#</span><span class="numeric_literal">0</span><span class="numeric_literal">10</span><span class="variable">x</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="numeric_literal macro">27</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal macro"> is </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="comma macro">,</span> <span class="numeric_literal macro">0.01</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">}</span><span class="string_literal macro"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">0</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">5</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="comma macro">,</span> <span class="numeric_literal macro">0.01</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal macro"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">1</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="comma macro">,</span> <span class="numeric_literal macro">5</span><span class="comma macro">,</span> <span class="numeric_literal macro">0.01</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> is </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="comma macro">,</span> <span class="numeric_literal macro">5</span><span class="comma macro">,</span> <span class="numeric_literal macro">0.01</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="comma macro">,</span> <span class="numeric_literal macro">5</span><span class="comma macro">,</span> <span class="numeric_literal macro">0.01</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> is </span><span class="format_specifier">{</span><span class="variable">number</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="variable">prec</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="comma macro">,</span> <span class="none macro">prec</span> <span class="operator macro">=</span> <span class="numeric_literal macro">5</span><span class="comma macro">,</span> <span class="none macro">number</span> <span class="operator macro">=</span> <span class="numeric_literal macro">0.01</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">, `</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal macro">` has 3 fractional digits"</span><span class="comma macro">,</span> <span class="string_literal macro">"Hello"</span><span class="comma macro">,</span> <span class="numeric_literal macro">3</span><span class="comma macro">,</span> <span class="none macro">name</span><span class="operator macro">=</span><span class="numeric_literal macro">1234.56</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">, `</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal macro">` has 3 characters"</span><span class="comma macro">,</span> <span class="string_literal macro">"Hello"</span><span class="comma macro">,</span> <span class="numeric_literal macro">3</span><span class="comma macro">,</span> <span class="none macro">name</span><span class="operator macro">=</span><span class="string_literal macro">"1234.56"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">, `</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">:</span><span class="format_specifier">&gt;</span><span class="numeric_literal">8</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal macro">` has 3 right-aligned characters"</span><span class="comma macro">,</span> <span class="string_literal macro">"Hello"</span><span class="comma macro">,</span> <span class="numeric_literal macro">3</span><span class="comma macro">,</span> <span class="none macro">name</span><span class="operator macro">=</span><span class="string_literal macro">"1234.56"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="keyword">let</span> <span class="punctuation">_</span> <span class="operator">=</span> <span class="string_literal">"{}"</span>
<span class="keyword">let</span> <span class="punctuation">_</span> <span class="operator">=</span> <span class="string_literal">"{{}}"</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="escape_sequence">{{</span><span class="escape_sequence">}}</span><span class="string_literal">"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="escape_sequence">{{</span><span class="string_literal"> Hello"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="escape_sequence">}}</span><span class="string_literal">"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="escape_sequence">{{</span><span class="string_literal">Hello</span><span class="escape_sequence">}}</span><span class="string_literal">"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="escape_sequence">{{</span><span class="string_literal"> Hello </span><span class="escape_sequence">}}</span><span class="string_literal">"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="escape_sequence">{{</span><span class="string_literal">Hello </span><span class="escape_sequence">}}</span><span class="string_literal">"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="escape_sequence">{{</span><span class="string_literal"> Hello</span><span class="escape_sequence">}}</span><span class="string_literal">"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="escape_sequence">{{</span><span class="escape_sequence">}}</span><span class="string_literal macro">"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="escape_sequence">{{</span><span class="string_literal macro"> Hello"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="escape_sequence">}}</span><span class="string_literal macro">"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="escape_sequence">{{</span><span class="string_literal macro">Hello</span><span class="escape_sequence">}}</span><span class="string_literal macro">"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="escape_sequence">{{</span><span class="string_literal macro"> Hello </span><span class="escape_sequence">}}</span><span class="string_literal macro">"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="escape_sequence">{{</span><span class="string_literal macro">Hello </span><span class="escape_sequence">}}</span><span class="string_literal macro">"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="escape_sequence">{{</span><span class="string_literal macro"> Hello</span><span class="escape_sequence">}}</span><span class="string_literal macro">"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">r"Hello, </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="string_literal">"world"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">r"Hello, </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="string_literal macro">"world"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="comment">// escape sequences</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello</span><span class="escape_sequence">\n</span><span class="string_literal">World"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="escape_sequence">\u{48}</span><span class="escape_sequence">\x65</span><span class="escape_sequence">\x6C</span><span class="escape_sequence">\x6C</span><span class="escape_sequence">\x6F</span><span class="string_literal"> World"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello</span><span class="escape_sequence">\n</span><span class="string_literal macro">World"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="escape_sequence">\u{48}</span><span class="escape_sequence">\x65</span><span class="escape_sequence">\x6C</span><span class="escape_sequence">\x6C</span><span class="escape_sequence">\x6F</span><span class="string_literal macro"> World"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="keyword">let</span> <span class="punctuation">_</span> <span class="operator">=</span> <span class="string_literal">"</span><span class="escape_sequence">\x28</span><span class="escape_sequence">\x28</span><span class="escape_sequence">\x00</span><span class="escape_sequence">\x63</span><span class="escape_sequence">\n</span><span class="string_literal">"</span><span class="semicolon">;</span>
<span class="keyword">let</span> <span class="punctuation">_</span> <span class="operator">=</span> <span class="string_literal">b"</span><span class="escape_sequence">\x28</span><span class="escape_sequence">\x28</span><span class="escape_sequence">\x00</span><span class="escape_sequence">\x63</span><span class="escape_sequence">\n</span><span class="string_literal">"</span><span class="semicolon">;</span>
<span class="keyword">let</span> <span class="punctuation">_</span> <span class="operator">=</span> <span class="string_literal">r"\\"</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="escape_sequence">\x41</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> A <span class="operator">=</span> <span class="numeric_literal">92</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">ничоси</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> ничоси <span class="operator">=</span> <span class="numeric_literal">92</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="escape_sequence">\x41</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="none macro">A</span> <span class="operator macro">=</span> <span class="numeric_literal macro">92</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="variable">ничоси</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="none macro">ничоси</span> <span class="operator macro">=</span> <span class="numeric_literal macro">92</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="variable">x</span><span class="format_specifier">?</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> "</span><span class="comma">,</span> <span class="unresolved_reference">thingy</span><span class="comma">,</span> <span class="unresolved_reference">n2</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">panic</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="numeric_literal">0</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">panic</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"more </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="numeric_literal">1</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">assert</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="bool_literal">true</span><span class="comma">,</span> <span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="numeric_literal">1</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">assert</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="bool_literal">true</span><span class="comma">,</span> <span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> asdasd"</span><span class="comma">,</span> <span class="numeric_literal">1</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">toho</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">fmt"</span><span class="comma">,</span> <span class="numeric_literal">0</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro unsafe">asm</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"mov eax, </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">format_args</span><span class="macro_bang">!</span><span class="parenthesis">(</span>concat<span class="punctuation">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="parenthesis">)</span><span class="comma">,</span> <span class="string_literal">"{}"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="variable">x</span><span class="format_specifier">?</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> "</span><span class="comma macro">,</span> <span class="unresolved_reference macro">thingy</span><span class="comma macro">,</span> <span class="unresolved_reference macro">n2</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">panic</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">0</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">panic</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"more </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">1</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">assert</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="bool_literal macro">true</span><span class="comma macro">,</span> <span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">1</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">assert</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="bool_literal macro">true</span><span class="comma macro">,</span> <span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> asdasd"</span><span class="comma macro">,</span> <span class="numeric_literal macro">1</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">toho</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">fmt"</span><span class="comma macro">,</span> <span class="numeric_literal macro">0</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro unsafe">asm</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"mov eax, </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">format_args</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="none macro">concat</span><span class="punctuation macro">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="parenthesis macro">)</span><span class="comma macro">,</span> <span class="string_literal macro">"{}"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="brace">}</span></code></pre>

View File

@ -89,13 +89,13 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="keyword">let</span> <span class="variable declaration">x</span> <span class="operator">=</span> <span class="operator">&</span><span class="numeric_literal">5</span> <span class="keyword">as</span> <span class="keyword">*</span><span class="keyword">const</span> <span class="punctuation">_</span> <span class="keyword">as</span> <span class="keyword">*</span><span class="keyword">const</span> <span class="builtin_type">usize</span><span class="semicolon">;</span>
<span class="keyword">let</span> <span class="variable declaration">u</span> <span class="operator">=</span> <span class="union">Union</span> <span class="brace">{</span> <span class="field">b</span><span class="colon">:</span> <span class="numeric_literal">0</span> <span class="brace">}</span><span class="semicolon">;</span>
<span class="macro">id</span><span class="macro_bang">!</span> <span class="brace">{</span>
<span class="keyword unsafe">unsafe</span> <span class="brace">{</span> <span class="macro unsafe">unsafe_deref</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">}</span>
<span class="brace">}</span><span class="semicolon">;</span>
<span class="macro">id</span><span class="macro_bang">!</span> <span class="brace macro">{</span>
<span class="keyword macro unsafe">unsafe</span> <span class="brace macro">{</span> <span class="macro macro unsafe">unsafe_deref</span><span class="macro_bang macro">!</span><span class="parenthesis macro">(</span><span class="parenthesis macro">)</span> <span class="brace macro">}</span>
<span class="brace macro">}</span><span class="semicolon">;</span>
<span class="keyword unsafe">unsafe</span> <span class="brace">{</span>
<span class="macro unsafe">unsafe_deref</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro unsafe">id</span><span class="macro_bang">!</span> <span class="brace">{</span> <span class="macro unsafe">unsafe_deref</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">}</span><span class="semicolon">;</span>
<span class="macro unsafe">unsafe_deref</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro unsafe">id</span><span class="macro_bang">!</span> <span class="brace macro">{</span> <span class="macro macro unsafe">unsafe_deref</span><span class="macro_bang macro">!</span><span class="parenthesis macro">(</span><span class="parenthesis macro">)</span> <span class="brace macro">}</span><span class="semicolon">;</span>
<span class="comment">// unsafe fn and method calls</span>
<span class="function unsafe">unsafe_fn</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>

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@ -141,6 +141,7 @@ define_semantic_token_modifiers![
(INJECTED, "injected"),
(INTRA_DOC_LINK, "intraDocLink"),
(LIBRARY, "library"),
(MACRO_MODIFIER, "macro"),
(MUTABLE, "mutable"),
(PUBLIC, "public"),
(REFERENCE, "reference"),

View File

@ -746,6 +746,7 @@ fn semantic_token_type_and_modifiers(
HlMod::Injected => semantic_tokens::INJECTED,
HlMod::IntraDocLink => semantic_tokens::INTRA_DOC_LINK,
HlMod::Library => semantic_tokens::LIBRARY,
HlMod::Macro => semantic_tokens::MACRO_MODIFIER,
HlMod::Mutable => semantic_tokens::MUTABLE,
HlMod::Public => semantic_tokens::PUBLIC,
HlMod::Reference => semantic_tokens::REFERENCE,