rust/src/test/compile-fail/staticness-mismatch.rs

// 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 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

trait foo {
    fn dummy(&self) { }
    fn bar();
}

impl foo for isize {
    fn bar(&self) {}
    //~^ ERROR method `bar` has a `&self` declaration in the impl, but not in the trait
}

fn main() {}