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SyncUnsafeCell

Struct SyncUnsafeCell 

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pub struct SyncUnsafeCell<T: ?Sized> { /* private fields */ }
🔬This is a nightly-only experimental API. (sync_unsafe_cell #95439)
Expand description

UnsafeCell, but Sync.

This is just an UnsafeCell, except it implements Sync if T implements Sync.

UnsafeCell doesn’t implement Sync, to prevent accidental mis-use. You can use SyncUnsafeCell instead of UnsafeCell to allow it to be shared between threads, if that’s intentional. Providing proper synchronization is still the task of the user, making this type just as unsafe to use.

See UnsafeCell for details.

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impl<T: ?Sized> Debug for SyncUnsafeCell<T>

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

Formats the value using the given formatter. Read more
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impl<T: ?Sized + Sync> Sync for SyncUnsafeCell<T>

Auto Trait Implementations§

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impl<T> !Freeze for SyncUnsafeCell<T>

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impl<T> Send for SyncUnsafeCell<T>
where T: Send + ?Sized,

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impl<T> Unpin for SyncUnsafeCell<T>
where T: Unpin + ?Sized,

Blanket Implementations§

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

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fn borrow(&self) -> &T

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

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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

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fn from(t: T) -> T

Returns the argument unchanged.

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

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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 T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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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 T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.