| // Copyright 2013-2014 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. |
| |
| |
| // aux-build:trait_superkinds_in_metadata.rs |
| |
| // Tests "capabilities" granted by traits with super-builtin-kinds, |
| // even when using them cross-crate. |
| |
| |
| extern crate trait_superkinds_in_metadata; |
| |
| use std::sync::mpsc::{channel, Sender, Receiver}; |
| use trait_superkinds_in_metadata::{RequiresRequiresShareAndSend, RequiresShare}; |
| |
| #[derive(PartialEq, Debug)] |
| struct X<T>(T); |
| |
| impl <T: Sync> RequiresShare for X<T> { } |
| impl <T: Sync+Send> RequiresRequiresShareAndSend for X<T> { } |
| |
| fn foo<T: RequiresRequiresShareAndSend + 'static>(val: T, chan: Sender<T>) { |
| chan.send(val).unwrap(); |
| } |
| |
| pub fn main() { |
| let (tx, rx): (Sender<X<isize>>, Receiver<X<isize>>) = channel(); |
| foo(X(31337), tx); |
| assert_eq!(rx.recv().unwrap(), X(31337)); |
| } |