]> git.lizzy.rs Git - rust.git/blob - src/test/ui/type-alias-impl-trait/bounds-are-checked-2.rs
Loop over all opaque types instead of looking at just the first one with the same...
[rust.git] / src / test / ui / type-alias-impl-trait / bounds-are-checked-2.rs
1 // Make sure that we check that impl trait types implement the traits that they
2 // claim to.
3
4 // revisions: min_tait full_tait
5 #![feature(min_type_alias_impl_trait)]
6 #![cfg_attr(full_tait, feature(type_alias_impl_trait))]
7 //[full_tait]~^ WARN incomplete
8
9 type X<T> = impl Clone;
10 //~^ ERROR the trait bound `T: Clone` is not satisfied
11
12 fn f<T: Clone>(t: T) -> X<T> {
13     t
14 }
15
16 fn g<T>(o: Option<X<T>>) -> Option<X<T>> {
17     o.clone()
18 }
19
20 fn main() {
21     g(None::<X<&mut ()>>);
22 }