rust/tests/target/macro_rules.rs

122 lines
2.2 KiB
Rust
Raw Normal View History

2018-02-22 17:10:17 -06:00
// rustfmt-error_on_line_overflow: false
2018-01-24 13:09:49 -06:00
macro_rules! m {
2018-01-30 11:05:31 -06:00
// a
2018-01-25 08:20:17 -06:00
($expr: expr, $($func: ident)*) => {{
2018-01-25 08:06:37 -06:00
let x = $expr;
$func(x)
}};
2018-01-24 13:09:49 -06:00
2018-01-30 11:05:31 -06:00
/* b */
() => {
/* c */
};
(@tag) => {};
2018-01-24 13:09:49 -06:00
2018-01-30 11:05:31 -06:00
// d
2018-01-24 13:09:49 -06:00
($item: ident) => {
mod macro_item {
struct $item;
}
};
}
2018-01-30 11:05:31 -06:00
macro m2 {
// a
($expr: expr, $($func: ident)*) => {{
let x = $expr;
$func(x)
}}
/* b */
() => {
/* c */
}
(@tag) => {}
// d
($item: ident) => {
mod macro_item {
struct $item;
}
}
}
2018-02-22 17:10:17 -06:00
// #2438, #2476
macro_rules! m {
() => {
2018-02-22 17:10:17 -06:00
fn foo() {
this_line_is_98_characters_long_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx();
}
};
}
macro_rules! m {
() => {
fn foo() {
this_line_is_99_characters_long_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx(
);
}
};
}
macro_rules! m {
() => {
fn foo() {
this_line_is_100_characters_long_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx(
);
}
};
}
macro_rules! m {
() => {
fn foo() {
this_line_is_101_characters_long_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx(
);
}
};
}
// #2439
macro_rules! m {
(
$line0_xxxxxxxxxxxxxxxxx: expr,
$line1_xxxxxxxxxxxxxxxxx: expr,
$line2_xxxxxxxxxxxxxxxxx: expr,
$line3_xxxxxxxxxxxxxxxxx: expr,
) => {};
}
// #2466
// Skip formatting `macro_rules!` that are not using `{}`.
macro_rules! m (
() => ()
);
macro_rules! m [
() => ()
];
// #2470
macro foo($type_name: ident, $docs: expr) {
#[allow(non_camel_case_types)]
#[doc=$docs]
#[derive(Debug, Clone, Copy)]
pub struct $type_name;
}
2018-03-17 00:58:56 -05:00
// #2538
macro_rules! add_message_to_notes {
($msg: expr) => {{
let mut lines = message.lines();
notes.push_str(&format!("\n{}: {}", level, lines.next().unwrap()));
for line in lines {
notes.push_str(&format!(
"\n{:indent$}{line}",
"",
indent = level.len() + 2,
line = line,
));
}
}};
}