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