// 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. trait MyEq { fn eq(&self, other: &Self) -> bool; } struct A { x: isize } impl MyEq for isize { fn eq(&self, other: &isize) -> bool { *self == *other } } impl MyEq for A {} //~ ERROR not all trait items implemented, missing: `eq` fn main() { }