rust/tests/ui/impl-trait/impl-trait-in-macro.rs
2023-01-11 09:32:08 +00:00

21 lines
356 B
Rust

use std::fmt::Debug;
macro_rules! i {
($($tr:tt)*) => { impl $($tr)* };
}
fn foo(x: i!(Debug), y: i!(Debug)) -> String {
let mut a = x;
a = y; //~ ERROR mismatched
format!("{:?}", a)
}
trait S<T> {}
fn much_universe<T: S<i!(Debug)>, U: IntoIterator<Item = i!(Iterator<Item = i!(Clone)>)>>(
_: i!(Debug + Clone),
) {
}
fn main() {}