rust/src/test/run-pass/associated-const-marks-live-code.rs

// 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.

#![feature(associated_consts)]

#![deny(dead_code)]

const GLOBAL_BAR: u32 = 1;

struct Foo;

impl Foo {
    const BAR: u32 = GLOBAL_BAR;
}

pub fn main() {
    let _: u32 = Foo::BAR;
}