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// 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.
#[allow(default_methods)];
trait Foo {
fn a() -> int;
fn b() -> int {
self.a() + 2
}
}
impl int: Foo {
fn a() -> int {
3
}
}
fn main() {
assert(3.b() == 5);
}
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