rust/tests/source/expr.rs
2018-08-04 09:59:19 +09:00

453 lines
12 KiB
Rust

// rustfmt-normalize_comments: true
// rustfmt-wrap_comments: true
// Test expressions
fn foo() -> bool {
let boxed: Box<i32> = box 5;
let referenced = &5 ;
let very_long_variable_name = ( a + first + simple + test );
let very_long_variable_name = (a + first + simple + test + AAAAAAAAAAAAA + BBBBBBBBBBBBBBBBB + b + c);
let is_internalxxxx = self.codemap.span_to_filename(s) == self.codemap.span_to_filename(m.inner);
let some_val = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa * bbbb / (bbbbbb -
function_call(x, *very_long_pointer, y))
+ 1000 ;
some_ridiculously_loooooooooooooooooooooong_function(10000 * 30000000000 + 40000 / 1002200000000
- 50000 * sqrt(-1),
trivial_value);
(((((((((aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + a +
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + aaaaa))))))))) ;
{ for _ in 0..10 {} }
{{{{}}}}
if 1 + 2 > 0 { let result = 5; result } else { 4};
if let Some(x) = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa {
// Nothing
}
if let Some(x) = (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}
if let (some_very_large,
tuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuple) = 1
+ 2 + 3 {
}
if let (some_very_large,
tuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuple) = 1111 + 2222 {}
if let (some_very_large, tuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuple) = 1
+ 2 + 3 {
}
if let ast::ItemKind::Trait(_, unsafety, ref generics, ref type_param_bounds, ref trait_items) = item.node
{
// nothing
}
let test = if true { 5 } else { 3 };
if cond() {
something();
} else if different_cond() {
something_else();
} else {
// Check subformatting
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
}
// #2884
let _ = [0; {struct Foo; impl Foo {const fn get(&self) -> usize {5}}; Foo.get()}];
}
fn bar() {
let range = ( 111111111 + 333333333333333333 + 1111 + 400000000000000000) .. (2222 + 2333333333333333);
let another_range = 5..some_func( a , b /* comment */);
for _ in 1 ..{ call_forever(); }
syntactically_correct(loop { sup( '?'); }, if cond { 0 } else { 1 });
let third = ..10;
let infi_range = .. ;
let foo = 1..;
let bar = 5 ;
let nonsense = (10 .. 0)..(0..10);
loop{if true {break}}
let x = (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa &&
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,
a);
}
fn baz() {
unsafe /* {}{}{}{{{{}} */ {
let foo = 1u32;
}
unsafe /* very looooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooong comment */ {}
unsafe // So this is a very long comment.
// Multi-line, too.
// Will it still format correctly?
{
}
unsafe {
// Regular unsafe block
}
unsafe {
foo()
}
unsafe {
foo();
}
// #2289
let identifier_0 = unsafe { this_is_58_chars_long_and_line_is_93_chars_long_xxxxxxxxxx };
let identifier_1 = unsafe { this_is_59_chars_long_and_line_is_94_chars_long_xxxxxxxxxxx };
let identifier_2 = unsafe { this_is_65_chars_long_and_line_is_100_chars_long_xxxxxxxxxxxxxxxx };
let identifier_3 = unsafe { this_is_66_chars_long_and_line_is_101_chars_long_xxxxxxxxxxxxxxxxx };
}
// Test some empty blocks.
fn qux() {
{}
// FIXME this one could be done better.
{ /* a block with a comment */ }
{
}
{
// A block with a comment.
}
}
fn issue227() {
{
let handler = box DocumentProgressHandler::new(addr, DocumentProgressTask::DOMContentLoaded);
}
}
fn issue184(source: &str) {
for c in source.chars() {
if index < 'a' {
continue;
}
}
}
fn arrays() {
let x = [0,
1,
2,
3,
4,
5,
6,
7,
8,
9,
0,
1,
2,
3,
4,
5,
6,
7,
8,
9,
0,
7,
8,
9,
0,
1,
2,
3,
4,
5,
6,
7,
8,
9,
0];
let y = [/* comment */ 1, 2 /* post comment */, 3];
let xy = [ strukt { test123: value_one_two_three_four, turbo: coolio(), } , /* comment */ 1 ];
let a =WeightedChoice::new(&mut [Weighted {
weightweight: x,
item: 0,
},
Weighted {
weightweight: 1,
item: 1,
},
Weighted {
weightweight: x,
item: 2,
},
Weighted {
weightweight: 1,
item: 3,
}]);
let z = [xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx, yyyyyyyyyyyyyyyyyyyyyyyyyyy, zzzzzzzzzzzzzzzzzz, q];
[ 1 + 3, 4 , 5, 6, 7, 7, fncall::<Vec<_>>(3-1)]
}
fn returns() {
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa && return;
return aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;
}
fn addrof() {
& mut(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa+bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb);
& (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa+bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb);
}
fn casts() {
fn unpack(packed: u32) -> [u16; 2] {
[
(packed >> 16) as u16,
(packed >> 0) as u16,
]
}
let some_trait_xxx = xxxxxxxxxxx + xxxxxxxxxxxxx
as SomeTraitXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX;
let slightly_longer_trait = yyyyyyyyy + yyyyyyyyyyy as SomeTraitYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY;
}
fn indices() {
let x = (aaaaaaaaaaaaaaaaaaaaaaaaaaaa+bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb+cccccccccccccccc) [ x + y + z ];
let y = (aaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb + cccccccccccccccc)[ xxxxx + yyyyy + zzzzz ];
let z = xxxxxxxxxx.x().y().zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz()[aaaaa];
let z = xxxxxxxxxx.x().y().zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz()[aaaaa];
}
fn repeats() {
let x = [aaaaaaaaaaaaaaaaaaaaaaaaaaaa+bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb+cccccccccccccccc; x + y + z ];
let y = [aaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb + cccccccccccccccc; xxxxx + yyyyy + zzzzz ];
}
fn blocks() {
if 1 + 1 == 2 {
println!("yay arithmetix!");
};
}
fn issue767() {
if false {
if false {
} else {
// A let binding here seems necessary to trigger it.
let _ = ();
}
} else if let false = false {
}
}
fn ranges() {
let x = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa .. bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb;
let y = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ..= bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb;
let z = ..= x ;
// #1766
let x = [0. ..10.0];
let x = [0. ..=10.0];
a ..= b
// the expr below won't compile because inclusive ranges need a defined end
// let a = 0 ..= ;
}
fn if_else() {
let exact = diff /
(if size == 0 {
1
} else {
size
});
let cx = tp1.x +
any * radius *
if anticlockwise {
1.0
} else {
-1.0
};
}
fn complex_if_else() {
if let Some(x) = xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx {
} else if let Some(x) = xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx {
ha();
} else if xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx + xxxxxxxx {
yo();
} else if let Some(x) = xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx {
ha();
} else if xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx + xxxxxxxxx {
yo();
}
}
fn issue1106() {
{
if let hir::ItemEnum(ref enum_def, ref generics) = self.ast_map.expect_item(enum_node_id).node {
}
}
for entry in
WalkDir::new(path)
.into_iter()
.filter_entry(|entry| exclusions.filter_entry(entry)) {
}
}
fn issue1570() {
a_very_long_function_name({some_func(1, {1})})
}
fn issue1714() {
v = &mut {v}[mid..];
let (left, right) = {v}.split_at_mut(mid);
}
// Multi-lined index should be put on the next line if it fits in one line.
fn issue1749() {
{
{
{
if self.shape[(r as f32 + self.x_offset) as usize][(c as f32 + self.y_offset) as usize] != 0 {
// hello
}
}
}
}
}
// #1172
fn newlines_between_list_like_expr() {
foo(
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx,
yyyyyyyyyyyyyyyyyyyyyyyyyyyyyy,
zzzzzzzzzzzzzzzzzzzzzzzzzzzzzz,
);
vec![
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx,
yyyyyyyyyyyyyyyyyyyyyyyyyyyyyy,
zzzzzzzzzzzzzzzzzzzzzzzzzzzzzz,
];
match x {
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx |
yyyyyyyyyyyyyyyyyyyyyyyyyyyyyy |
zzzzzzzzzzzzzzzzzzzzzzzzzzzzzz => foo(a, b, c),
_ => bar(),
};
}
fn issue2178() {
Ok(result.iter().map(|item| ls_util::rls_to_location(item)).collect())
}
// #2493
impl Foo {
fn bar(&self) {
{
let x = match () {
() => {
let i;
i == self.install_config.storage.experimental_compressed_block_size as usize
}
};
}
}
}
fn dots() {
.. .. ..; // (.. (.. (..)))
..= ..= ..;
(..) .. ..; // ((..) .. (..))
}
// #2676
// A function call with a large single argument.
fn foo() {
let my_var =
Mutex::new(RpcClientType::connect(server_iddd).chain_err(|| "Unable to create RPC client")?);
}
// #2704
// Method call with prefix and suffix.
fn issue2704() {
// We should not combine the callee with a multi-lined method call.
let requires = requires.set(&requires0
.concat(&requires1)
.concat(&requires2)
.distinct_total());
let requires = requires.set(box requires0
.concat(&requires1)
.concat(&requires2)
.distinct_total());
let requires = requires.set(requires0
.concat(&requires1)
.concat(&requires2)
.distinct_total() as u32);
let requires = requires.set(requires0
.concat(&requires1)
.concat(&requires2)
.distinct_total()?);
let requires = requires.set(!requires0
.concat(&requires1)
.concat(&requires2)
.distinct_total());
// We should combine a small callee with an argument.
bar(vec![22]
.into_iter()
.map(|x| x * 2)
.filter(|_| true)
.collect());
// But we should not combine a long callee with an argument.
barrrr(vec![22]
.into_iter()
.map(|x| x * 2)
.filter(|_| true)
.collect());
}
// #2782
fn issue2782() {
{let f={let f={{match f{F(f,_)=>{{loop{let f={match f{F(f,_)=>{{match f{F(f,_)=>{{loop{let f={let f={match f{'-'=>F(f,()),}};};}}}}}}}};}}}}}};};}
}
fn issue_2802() {
function_to_fill_this_line(some_arg, some_arg, some_arg)
* a_very_specific_length(specific_length_arg) * very_specific_length(Foo {
a: some_much_much_longer_value,
}) * some_value
}