// 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. enum chan { } trait channel { fn send(&self, v: T); } // `chan` is not a trait, it's an enum impl chan for int { //~ ERROR can only implement trait types fn send(&self, v: int) { fail!() } } fn main() { }