mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-27 09:14:20 +00:00
11 lines
195 B
Rust
11 lines
195 B
Rust
macro_rules! foo {
|
|
($ty:ty) => {
|
|
fn foo(_: $ty, _: $ty) {}
|
|
}
|
|
}
|
|
|
|
foo!(_);
|
|
//~^ ERROR the placeholder `_` is not allowed within types on item signatures for functions
|
|
|
|
fn main() {}
|