mirror of
https://github.com/rust-lang/rust.git
synced 2024-10-31 22:41:50 +00:00
16 lines
221 B
Rust
16 lines
221 B
Rust
// run-pass
|
|
|
|
#[allow(unused_macro_rules)]
|
|
macro_rules! a {
|
|
($i:literal) => { "right" };
|
|
($i:tt) => { "wrong" };
|
|
}
|
|
|
|
macro_rules! b {
|
|
($i:literal) => { a!($i) };
|
|
}
|
|
|
|
fn main() {
|
|
assert_eq!(b!(0), "right");
|
|
}
|