rust/src/test/run-pass/default-method-simple.rs

36 lines
741 B
Rust

// 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 f() {
io::println("Hello!");
self.g();
}
fn g();
}
struct A {
x: int
}
impl Foo for A {
fn g() {
io::println("Goodbye!");
}
}
pub fn main() {
let a = A { x: 1 };
a.f();
}