rust/src/test/compile-fail/trait-inheritance-missing-requirement.rs

33 lines
691 B
Rust

// Copyright 2012-2014 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.
// ignore-test
// error-pattern: what
trait Foo {
fn f();
}
trait Bar : Foo {
fn g();
}
struct A {
x: int
}
// Can't implement Bar without an impl of Foo
impl Bar for A {
fn g() { }
}
fn main() {
}