src/test/ui/specialization/specialization-out-of-order.rs

// run-pass

// Test that you can list the more specific impl before the more general one.

#![feature(specialization)] //~ WARN the feature `specialization` is incomplete

trait Foo {
    type Out;
}

impl Foo for bool {
    type Out = ();
}

impl<T> Foo for T {
    default type Out = bool;
}

fn main() {}