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Contents
// Copyright 2016 lazy-static.rs Developers
//
// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
// https://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
// https://opensource.org/licenses/MIT>, at your option. This file may not be
// copied, modified, or distributed except according to those terms.
extern crate spin;
use self::spin::Once;
pub struct Lazy<T: Sync>(Once<T>);
impl<T: Sync> Lazy<T> {
pub const INIT: Self = Lazy(Once::INIT);
#[inline(always)]
pub fn get<F>(&'static self, builder: F) -> &T
where
F: FnOnce() -> T,
{
self.0.call_once(builder)
}
}
#[macro_export]
#[doc(hidden)]
macro_rules! __lazy_static_create {
($NAME:ident, $T:ty) => {
static $NAME: $crate::lazy::Lazy<$T> = $crate::lazy::Lazy::INIT;
};
}
Version data entries
12 entries across 12 versions & 1 rubygems