rust/tests/ui/auxiliary/macro_rules.rs

53 lines
937 B
Rust

#![allow(dead_code)]
//! Used to test that certain lints don't trigger in imported external macros
#[macro_export]
macro_rules! try_err {
() => {
pub fn try_err_fn() -> Result<i32, i32> {
let err: i32 = 1;
// To avoid warnings during rustfix
if true { Err(err)? } else { Ok(2) }
}
};
}
#[macro_export]
macro_rules! string_add {
() => {
let y = "".to_owned();
let z = y + "...";
};
}
#[macro_export]
macro_rules! string_lit_as_bytes {
($s:literal) => {
const C: &[u8] = $s.as_bytes();
};
}
#[macro_export]
macro_rules! mut_mut {
() => {
let mut_mut_ty: &mut &mut u32 = &mut &mut 1u32;
};
}
#[macro_export]
macro_rules! issue_10421 {
() => {
let mut a = 1;
let mut b = 2;
a = b;
b = a;
};
}
#[macro_export]
macro_rules! macro_with_panic {
() => {
panic!()
};
}