// Copyright 2015 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. #![feature(specialization)] // Make sure we *can* project non-defaulted associated types // cf compile-fail/specialization-default-projection.rs // First, do so without any use of specialization trait Foo { type Assoc; } impl Foo for T { type Assoc = (); } fn generic_foo() -> ::Assoc { () } // Next, allow for one layer of specialization trait Bar { type Assoc; } default impl Bar for T { type Assoc = (); } impl Bar for T { type Assoc = u8; } fn generic_bar_clone() -> ::Assoc { 0u8 } fn main() { }