init_once

Enum InitState

Source 
pub enum InitState<'a, T> {
    Initializing,
    Initialized(&'a T),
    Polling(PollInit<'a, T>),
}
Expand description

Initialization state of an InitOnce instance.

Variants§

§

Initializing

The inner value is currently being initialized by another caller.

§

Initialized(&'a T)

The inner value is initialized.

§

Polling(PollInit<'a, T>)

The inner value requires initialization via PollInit.

Trait Implementations§

Source§

impl<'a, T: Debug> Debug for InitState<'a, T>

Source§

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

§

impl<'a, T> Freeze for InitState<'a, T>

§

impl<'a, T> !RefUnwindSafe for InitState<'a, T>

§

impl<'a, T> Send for InitState<'a, T>
where T: Sync,

§

impl<'a, T> Sync for InitState<'a, T>
where T: Sync,

§

impl<'a, T> Unpin for InitState<'a, T>

§

impl<'a, T> !UnwindSafe for InitState<'a, T>

Blanket Implementations§

Source§

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

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

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

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

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

Source§

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

Mutably borrows from an owned value. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

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

Source§

fn into(self) -> U

Calls U::from(self).

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

Source§

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

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

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

Performs the conversion.
Source§

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

Source§

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

The type returned in the event of a conversion error.
Source§

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

Performs the conversion.