rust/tests/ui/rfcs/rfc-2151-raw-identifiers/macros.rs

39 lines
672 B
Rust

//@ run-pass
#![feature(decl_macro)]
macro_rules! r#struct {
($r#struct:expr) => { $r#struct }
}
macro_rules! old_macro {
($a:expr) => {$a}
}
macro r#decl_macro($r#fn:expr) {
$r#fn
}
macro passthrough($id:ident) {
$id
}
macro_rules! test_pat_match {
(a) => { 6 };
(r#a) => { 7 };
}
pub fn main() {
r#println!("{struct}", r#struct = 1);
assert_eq!(2, r#struct!(2));
assert_eq!(3, r#old_macro!(3));
assert_eq!(4, decl_macro!(4));
let r#match = 5;
assert_eq!(5, passthrough!(r#match));
assert_eq!("r#struct", stringify!(r#struct));
assert_eq!(6, test_pat_match!(a));
assert_eq!(7, test_pat_match!(r#a));
}