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GeezerVison is showing doc.rust-lang.org — TryLockError in std::sync - Rust

std::sync

Enum TryLockError 

1.0.0 · Source 
pub enum TryLockError<T> {
    Poisoned(PoisonError<T>),
    WouldBlock,
}
Expand description

An enumeration of possible errors associated with a TryLockResult which can occur while trying to acquire a lock, from the try_lock method on a Mutex or the try_read and try_write methods on an RwLock.

Variants§

§1.0.0

Poisoned(PoisonError<T>)

The lock could not be acquired because another thread failed while holding the lock.

§1.0.0

WouldBlock

The lock could not be acquired at this time because the operation would otherwise block.

Trait Implementations§

1.0.0 · Source§

impl<T> Debug for TryLockError<T>

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

Formats the value using the given formatter. Read more
1.0.0 · Source§

impl<T> Display for TryLockError<T>

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

Formats the value using the given formatter. Read more
1.0.0 · Source§

impl<T> Error for TryLockError<T>

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fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

1.30.0 · Source§

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any. Read more
1.0.0 · Source§

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

Read more
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fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access #99301)
Provides type-based access to context intended for error reports. Read more
1.0.0 · Source§

impl<T> From<PoisonError<T>> for TryLockError<T>

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fn from(err: PoisonError<T>) -> TryLockError<T>

Converts to this type from the input type.

Auto Trait Implementations§

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impl<T> Freeze for TryLockError<T>
where T: Freeze,

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

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

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impl<T> Sync for TryLockError<T>
where T: Sync,

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

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impl<T> UnsafeUnpin for TryLockError<T>
where T: UnsafeUnpin,

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

Blanket Implementations§

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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> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. Read more
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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.
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