29 lines
825 B
Rust
29 lines
825 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.
|
|
|
|
mod traits {
|
|
pub trait Foo { fn f(&self) -> int; }
|
|
|
|
impl Foo for int { fn f(&self) -> int { 10 } }
|
|
}
|
|
|
|
trait Quux: traits::Foo { }
|
|
impl<T:traits::Foo> Quux for T { }
|
|
|
|
// Foo is not in scope but because Quux is we can still access
|
|
// Foo's methods on a Quux bound typaram
|
|
fn f<T:Quux>(x: &T) {
|
|
assert_eq!(x.f(), 10);
|
|
}
|
|
|
|
pub fn main() {
|
|
f(&0)
|
|
}
|