mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-01 15:01:51 +00:00
16 lines
168 B
Rust
16 lines
168 B
Rust
//@ check-pass
|
|
macro_rules! a {
|
|
() => { "a" }
|
|
}
|
|
|
|
macro_rules! b {
|
|
($doc:expr) => {
|
|
#[doc = $doc]
|
|
pub struct B;
|
|
}
|
|
}
|
|
|
|
b!(a!());
|
|
|
|
fn main() {}
|