rust/tests/ui/traits/issue-22110.rs
2023-01-11 09:32:08 +00:00

28 lines
492 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.
// pretty-expanded FIXME #23616
#![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() {
}