src/test/ui/never_type/impl_trait_fallback2.rs


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#![feature(type_alias_impl_trait)]

fn main() {}

trait T {}
impl T for i32 {}

fn should_ret_unit() -> impl T {
    //~^ ERROR `(): T` is not satisfied
    panic!()
}

type Foo = impl T;

fn a() -> Foo {
    //~^ ERROR `(): T` is not satisfied
    panic!()
}

fn b() -> Foo {
    42
}