6757053cff
This makes using control-flow-y macros like `spawn! { ... }` more fluent
and natural.
cc #11892.
29 lines
743 B
Rust
29 lines
743 B
Rust
// Copyright 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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#[feature(macro_rules)];
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macro_rules! expr (($e: expr) => { $e })
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macro_rules! spawn {
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($($code: tt)*) => {
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expr!(spawn(proc() {$($code)*}))
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}
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}
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pub fn main() {
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spawn! {
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info!("stmt");
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};
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let _ = spawn! {
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info!("expr");
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};
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}
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