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TryLock

Struct TryLock 

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pub struct TryLock { /* private fields */ }
Expand description

The built lock. Use this object’s try_lock to ensure mutual exclusion.

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impl TryLock

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pub fn try_lock(&self) -> Option<Lock<'_>>

Acquire the lock. Returns the lock if the lock was acquired, None if the lock is currently held by someone else or it is already owned by the current worker. The lock is released on drop.

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impl Freeze for TryLock

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impl !RefUnwindSafe for TryLock

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impl !Send for TryLock

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impl !Sync for TryLock

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impl Unpin for TryLock

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impl !UnwindSafe for TryLock

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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<C, T> Extract<T> for C
where T: FromContext<C>,

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type Error = <T as FromContext<C>>::Error

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fn extract(&self) -> Result<T, <C as Extract<T>>::Error>

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fn extract_always(&self) -> T
where Self: Extract<T, Error = Infallible>,

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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> Same for T

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type Output = T

Should always be Self
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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.