rust/src/test/run-pass/pipe-peek.rs
Patrick Walton f9b54541ee librustc: Disallow "mut" from distributing over bindings.
This is the backwards-incompatible part of per-binding-site "mut".
2013-06-28 10:44:15 -04:00

35 lines
816 B
Rust

// xfail-fast
// 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.
extern mod extra;
use extra::timer::sleep;
use extra::uv;
use std::pipes;
proto! oneshot (
waiting:send {
signal -> !
}
)
pub fn main() {
let (p, c) = oneshot::init();
let mut p = p;
let mut c = c;
assert!(!pipes::peek(&mut p));
oneshot::client::signal(c);
assert!(pipes::peek(&mut p));
}