CompletionGuard

std::sys::sync::once::futex

Struct CompletionGuard

struct CompletionGuard<'a> {
    state_and_queued: &'a Atomic<u32>,
    set_state_on_drop_to: u32,
}

Fields§

§state_and_queued: &'a Atomic<u32>§set_state_on_drop_to: u32

Trait Implementations§

impl<'a> Drop for CompletionGuard<'a>

fn drop(&mut self)

Executes the destructor for this type. Read more

Auto Trait Implementations§

impl<'a> Freeze for CompletionGuard<'a>

impl<'a> RefUnwindSafe for CompletionGuard<'a>

impl<'a> Send for CompletionGuard<'a>

impl<'a> Sync for CompletionGuard<'a>

impl<'a> Unpin for CompletionGuard<'a>

impl<'a> UnwindSafe for CompletionGuard<'a>

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> for T
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> SizedTypeProperties for T

#[doc(hidden)] const SIZE: usize = _

🔬This is a nightly-only experimental API. (sized_type_properties)

#[doc(hidden)] const ALIGN: usize = _

🔬This is a nightly-only experimental API. (sized_type_properties)

#[doc(hidden)] const IS_ZST: bool = _

🔬This is a nightly-only experimental API. (sized_type_properties)

true if this type requires no storage. false if its size is greater than zero. Read more

#[doc(hidden)] const LAYOUT: Layout = _

🔬This is a nightly-only experimental API. (sized_type_properties)

#[doc(hidden)] const MAX_SLICE_LEN: usize = _

🔬This is a nightly-only experimental API. (sized_type_properties)

The largest safe length for a [Self]. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

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

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

The type returned in the event of a conversion error.

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

Performs the conversion.