32 lines
899 B
Rust
32 lines
899 B
Rust
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// Copyright 2015 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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#![feature(lookup_host)]
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use std::net::lookup_host;
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fn is_sync<T>(_: T) where T: Sync {}
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fn is_send<T>(_: T) where T: Send {}
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macro_rules! all_sync_send {
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($ctor:expr, $($iter:ident),+) => ({
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$(
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let mut x = $ctor;
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is_sync(x.$iter());
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let mut y = $ctor;
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is_send(y.$iter());
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)+
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})
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}
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fn main() {
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all_sync_send!(lookup_host("localhost").unwrap(), next);
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}
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