[−][src]Struct os_sync::Once

pub struct Once { /* fields omitted */ }

A synchronization primitive which can be used to run a one-time global initialization.

Implementations

impl Once[src]

pub const fn new() -> Self[src]

Creates new instance

pub fn call_once<F: FnOnce()>(&self, cb: F)[src]

Invokes provided closure once.

Note that if function panics, Once is considered finished.

pub fn is_completed(&self) -> bool[src]

Returns whether Once completed

Auto Trait Implementations

impl Send for Once

impl Sync for Once

impl Unpin for Once

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized, [src]

impl<T> Borrow<T> for T where
    T: ?Sized, [src]

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src]

impl<T> From<T> for T[src]

impl<T, U> Into<U> for T where
    U: From<T>, [src]

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.