38 lines
1.2 KiB
Rust
38 lines
1.2 KiB
Rust
// Copyright 2013-2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// aux-build:trait_superkinds_in_metadata.rs
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// Tests "capabilities" granted by traits with super-builtin-kinds,
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// even when using them cross-crate.
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extern crate trait_superkinds_in_metadata;
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use std::sync::mpsc::{channel, Sender, Receiver};
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use trait_superkinds_in_metadata::{RequiresRequiresShareAndSend, RequiresShare};
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#[derive(PartialEq, Debug)]
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struct X<T>(T);
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impl <T: Sync> RequiresShare for X<T> { }
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impl <T: Sync+Send> RequiresRequiresShareAndSend for X<T> { }
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fn foo<T: RequiresRequiresShareAndSend + 'static>(val: T, chan: Sender<T>) {
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chan.send(val).unwrap();
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}
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pub fn main() {
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let (tx, rx): (Sender<X<isize>>, Receiver<X<isize>>) = channel();
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foo(X(31337), tx);
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assert_eq!(rx.recv().unwrap(), X(31337));
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}
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