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// Copyright 2014-2017 The html5ever Project Developers. See the
// COPYRIGHT file at the top-level directory of this distribution.
//
// 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.
macro_rules! unwrap_or_else {
($opt:expr, $else_block:block) => {
match $opt {
None => $else_block,
Some(x) => x,
}
};
}
macro_rules! unwrap_or_return {
($opt:expr, $retval:expr) => {
unwrap_or_else!($opt, { return $retval })
};
}
macro_rules! time {
($e:expr) => {{
let now = ::std::time::Instant::now();
let result = $e;
let d = now.elapsed();
let dt = d.as_secs() * 1_000_000_000 + u64::from(d.subsec_nanos());
(result, dt)
}};
}
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