rust/tests/ui/traits/issue-22110.rs
许杰友 Jieyou Xu (Joe) 95ff642797 tests: remove //@ pretty-expanded usages
Done with

```bash
sd '//@ pretty-expanded.*\n' '' tests/ui/**/*.rs
```

and

```
sd '//@pretty-expanded.*\n' '' tests/ui/**/*.rs
```
2024-11-26 02:50:48 +08:00

27 lines
461 B
Rust

//@ run-pass
// Test an issue where we reported ambiguity between the where-clause
// and the blanket impl. The only important thing is that compilation
// succeeds here. Issue #22110.
#![allow(dead_code)]
trait Foo<A> {
fn foo(&self, a: A);
}
impl<A,F:Fn(A)> Foo<A> for F {
fn foo(&self, _: A) { }
}
fn baz<A,F:for<'a> Foo<(&'a A,)>>(_: F) { }
fn components<T,A>(t: fn(&A))
where fn(&A) : for<'a> Foo<(&'a A,)>,
{
baz(t)
}
fn main() {
}