// 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. // // Before the introduction of the "duplicate associated type" error, the // program below used to result in the "ambiguous associated type" error E0223, // which is unexpected. trait Foo { type Bar; } struct Baz; impl Foo for Baz { type Bar = i16; type Bar = u16; //~ ERROR duplicate definitions } fn main() { let x: Baz::Bar = 5; }