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Update the Once docs to use Once::new

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This commit is contained in:
Tobias Bucher 2018-05-24 14:09:42 +02:00
parent 1c2abda671
commit 2a900e2b84
1 changed files with 10 additions and 10 deletions
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20
src/libstd/sync/once.rs
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@ -81,9 +81,9 @@ use thread::{self, Thread};
/// # Examples
///
/// ```
/// use std::sync::{Once, ONCE_INIT};
/// use std::sync::Once;
///
/// static START: Once = ONCE_INIT;
/// static START: Once = Once::new();
///
/// START.call_once(|| {
/// // run initialization here
@ -181,10 +181,10 @@ impl Once {
/// # Examples
///
/// ```
/// use std::sync::{Once, ONCE_INIT};
/// use std::sync::Once;
///
/// static mut VAL: usize = 0;
/// static INIT: Once = ONCE_INIT;
/// static INIT: Once = Once::new();
///
/// // Accessing a `static mut` is unsafe much of the time, but if we do so
/// // in a synchronized fashion (e.g. write once or read all) then we're
@ -249,10 +249,10 @@ impl Once {
/// ```
/// #![feature(once_poison)]
///
/// use std::sync::{Once, ONCE_INIT};
/// use std::sync::Once;
/// use std::thread;
///
/// static INIT: Once = ONCE_INIT;
/// static INIT: Once = Once::new();
///
/// // poison the once
/// let handle = thread::spawn(|| {
@ -432,10 +432,10 @@ impl OnceState {
/// ```
/// #![feature(once_poison)]
///
/// use std::sync::{Once, ONCE_INIT};
/// use std::sync::Once;
/// use std::thread;
///
/// static INIT: Once = ONCE_INIT;
/// static INIT: Once = Once::new();
///
/// // poison the once
/// let handle = thread::spawn(|| {
@ -453,9 +453,9 @@ impl OnceState {
/// ```
/// #![feature(once_poison)]
///
/// use std::sync::{Once, ONCE_INIT};
/// use std::sync::Once;
///
/// static INIT: Once = ONCE_INIT;
/// static INIT: Once = Once::new();
///
/// INIT.call_once_force(|state| {
/// assert!(!state.poisoned());