ScopedKey

Struct ScopedKey 

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pub struct ScopedKey<T>
where T: 'static,
{ /* private fields */ }
Expand description

Wrapper for scoped_tls::ScopedKey with better error messages.

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impl<T> ScopedKey<T>
where T: 'static,

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pub fn set<F, R>(&'static self, t: &T, f: F) -> R
where F: FnOnce() -> R,

See scoped_tls::ScopedKey for actual documentation.

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pub fn with<F, R>(&'static self, f: F) -> R
where F: FnOnce(&T) -> R,

See scoped_tls::ScopedKey for actual documentation.

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pub fn is_set(&'static self) -> bool

See scoped_tls::ScopedKey for actual documentation.

Auto Trait Implementations§

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impl<T> Freeze for ScopedKey<T>

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impl<T> RefUnwindSafe for ScopedKey<T>
where T: RefUnwindSafe,

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impl<T> Send for ScopedKey<T>

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impl<T> Sync for ScopedKey<T>

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impl<T> Unpin for ScopedKey<T>

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impl<T> UnwindSafe for ScopedKey<T>
where T: RefUnwindSafe,

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impl<T> Any for T
where 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 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.

Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 40 bytes