src/test/ui/type-alias-impl-trait/different_defining_uses.rs


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15

#![feature(type_alias_impl_trait)]

fn main() {}

// two definitions with different types
type Foo = impl std::fmt::Debug;

fn foo() -> Foo {
    ""
}

fn bar() -> Foo {
    42i32
    //~^ ERROR concrete type differs from previous
}