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


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#![feature(type_alias_impl_trait)]

fn main() {}

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

fn foo() -> Foo {
    ""
}

fn bar() -> Foo { //~ ERROR: concrete type differs from previous defining opaque type use
    panic!()
}

fn boo() -> Foo {
    loop {}
}