// 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)] trait Foo { fn foo() {} } impl Foo for T {} impl Foo for Vec {} //~ ERROR E0119 trait Bar { fn bar() {} } impl Bar for (T, u8) {} impl Bar for (u8, T) {} //~ ERROR E0119 trait Baz { fn baz() {} } impl Baz for u8 {} impl Baz for T {} //~ ERROR E0119 trait Qux { fn qux() {} } impl Qux for T {} impl Qux for T {} //~ ERROR E0119 fn main() {}