22 lines
621 B
Rust
22 lines
621 B
Rust
|
// Copyright 2015 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.
|
||
|
|
|
||
|
|
use std::marker::MarkerTrait;
|
||
|
|
|
||
|
|
trait Foo: MarkerTrait {
|
||
|
|
const ID: i32 = 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
impl Foo for i32 {}
|
||
|
|
|
||
|
|
fn main() {
|
||
|
|
assert_eq!(1, <i32 as Foo>::ID);
|
||
|
|
}
|