// Copyright 2012 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. fn foo() { 1u.bar::(); //~ ERROR: does not fulfill `Copy` } trait bar { fn bar(); } impl uint: bar { fn bar() { } } fn main() {}