pub struct __FastLocalKeyInner<T> {
    inner: LazyKeyInner<T>,
    dtor_state: Cell<DtorState>,
}
🔬This is a nightly-only experimental API. (thread_local_internals)

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§inner: LazyKeyInner<T>
🔬This is a nightly-only experimental API. (thread_local_internals)
§dtor_state: Cell<DtorState>
🔬This is a nightly-only experimental API. (thread_local_internals)

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impl<T> Key<T>

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pub const fn new() -> Key<T>

🔬This is a nightly-only experimental API. (thread_local_internals)
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pub unsafe fn register_dtor(a: *mut u8, dtor: unsafe extern "C" fn(_: *mut u8))

🔬This is a nightly-only experimental API. (thread_local_internals)
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pub unsafe fn get<F>(&self, init: F) -> Option<&'static T>where
    F: FnOnce() -> T,

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

Trait Implementations§

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impl<T> Debug for Key<T>

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<T> !RefUnwindSafe for Key<T>

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impl<T> Send for Key<T>where
    T: Send,

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impl<T> !Sync for Key<T>

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impl<T> Unpin for Key<T>where
    T: Unpin,

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impl<T> UnwindSafe for Key<T>where
    T: UnwindSafe,

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere
    T: ?Sized,

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere
    T: ?Sized,

const: unstable · source§

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

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · 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.

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

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type Error = Infallible

The type returned in the event of a conversion error.
const: unstable · source§

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

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere
    U: TryFrom<T>,

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

The type returned in the event of a conversion error.
const: unstable · source§

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

Performs the conversion.