Struct OnceState

pub struct OnceState { pub(in ::sys::sync::once::futex) poisoned: bool, pub(in ::sys::sync::once::futex) set_state_to: Cell<u32> }

Fields

poisoned: bool
set_state_to: Cell<u32>

Implementations

impl OnceState

fn is_poisoned(&self) -> bool
fn poison(&self)

Auto Trait Implementations

impl !Freeze for OnceState

impl !RefUnwindSafe for OnceState

impl !Sync for OnceState

impl Send for OnceState

impl Unpin for OnceState

impl UnsafeUnpin for OnceState

impl UnwindSafe for OnceState

Blanket Implementations

impl<T> Any for OnceState where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for OnceState where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for OnceState where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for OnceState

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> SizeHint for OnceState where T: ?Sized,

fn lower_bound(&self) -> usize
fn upper_bound(&self) -> Option<usize>

impl<T> SizedTypeProperties for OnceState

impl<T, U> Into<U> for OnceState where U: From<T>,

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of [From]<T> for U chooses to do.

impl<T, U> TryFrom<U> for OnceState where U: Into<T>,

type Error = Infallible;
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for OnceState where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error;
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>