pub enum TryLockError<T> {
Poisoned(PoisonError<T>),
WouldBlock,
}Available on crate features
std only.Expand description
🧵 🚩+
std
An enumeration of possible errors associated with a TryLockResult.
📍work/sync re-exported from std::sync
📜
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§
Poisoned(PoisonError<T>)
The lock could not be acquired because another thread failed while holding the lock.
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>
impl<T> Debug for TryLockError<T>
1.0.0 · Source§impl<T> Display for TryLockError<T>
impl<T> Display for TryLockError<T>
1.0.0 · Source§impl<T> Error for TryLockError<T>
impl<T> Error for TryLockError<T>
Source§fn cause(&self) -> Option<&dyn Error> ⓘ
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)> ⓘ
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 ⓘ
fn description(&self) -> &str ⓘ
👎Deprecated since 1.42.0:
use the Display impl or to_string()
1.0.0 · Source§impl<T> From<PoisonError<T>> for TryLockError<T>
impl<T> From<PoisonError<T>> for TryLockError<T>
Source§fn from(err: PoisonError<T>) -> TryLockError<T>
fn from(err: PoisonError<T>) -> TryLockError<T>
Converts to this type from the input type.
Auto Trait Implementations§
impl<T> Freeze for TryLockError<T>where
T: Freeze,
impl<T> RefUnwindSafe for TryLockError<T>where
T: RefUnwindSafe,
impl<T> Send for TryLockError<T>where
T: Send,
impl<T> Sync for TryLockError<T>where
T: Sync,
impl<T> Unpin for TryLockError<T>where
T: Unpin,
impl<T> UnsafeUnpin for TryLockError<T>where
T: UnsafeUnpin,
impl<T> UnwindSafe for TryLockError<T>where
T: UnwindSafe,
Blanket Implementations§
Source§impl<T> AnyExt for T
impl<T> AnyExt for T
Source§fn type_hash_with<H: Hasher>(&self, hasher: H) -> u64
fn type_hash_with<H: Hasher>(&self, hasher: H) -> u64
Returns a deterministic hash of the
TypeId of Self using a custom hasher.Source§fn as_any_mut(&mut self) -> &mut dyn Anywhere
Self: Sized,
fn as_any_mut(&mut self) -> &mut dyn Anywhere
Self: Sized,
Source§fn as_any_box(self: Box<Self>) -> Box<dyn Any>where
Self: Sized,
fn as_any_box(self: Box<Self>) -> Box<dyn Any>where
Self: Sized,
Available on crate feature
alloc only.Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T> ByteSized for T
impl<T> ByteSized for T
Source§const BYTE_ALIGN: usize = _
const BYTE_ALIGN: usize = _
The alignment of this type in bytes.
Source§fn byte_align(&self) -> usize
fn byte_align(&self) -> usize
Returns the alignment of this type in bytes.
Source§fn ptr_size_ratio(&self) -> [usize; 2]
fn ptr_size_ratio(&self) -> [usize; 2]
Source§impl<T> MemExt for Twhere
T: ?Sized,
impl<T> MemExt for Twhere
T: ?Sized,
Source§const NEEDS_DROP: bool = _
const NEEDS_DROP: bool = _
Know whether dropping values of this type matters, in compile-time.
Source§fn mem_align_of<T>() -> usize
fn mem_align_of<T>() -> usize
Returns the minimum alignment of the type in bytes. Read more
Source§fn mem_align_of_val(&self) -> usize
fn mem_align_of_val(&self) -> usize
Returns the alignment of the pointed-to value in bytes. Read more
Source§fn mem_size_of<T>() -> usize
fn mem_size_of<T>() -> usize
Returns the size of a type in bytes. Read more
Source§fn mem_size_of_val(&self) -> usize
fn mem_size_of_val(&self) -> usize
Returns the size of the pointed-to value in bytes. Read more
Source§fn mem_needs_drop(&self) -> bool
fn mem_needs_drop(&self) -> bool
Returns
true if dropping values of this type matters. Read moreSource§fn mem_forget(self)where
Self: Sized,
fn mem_forget(self)where
Self: Sized,
Forgets about
self without running its destructor. Read moreSource§fn mem_replace(&mut self, other: Self) -> Selfwhere
Self: Sized,
fn mem_replace(&mut self, other: Self) -> Selfwhere
Self: Sized,
Source§unsafe fn mem_zeroed<T>() -> T
unsafe fn mem_zeroed<T>() -> T
Available on crate feature
unsafe_layout only.Returns the value of type
T represented by the all-zero byte-pattern. Read moreSource§unsafe fn mem_transmute_copy<Src, Dst>(src: &Src) -> Dst
unsafe fn mem_transmute_copy<Src, Dst>(src: &Src) -> Dst
Available on crate feature
unsafe_layout only.Returns the value of type
T represented by the all-zero byte-pattern. Read moreSource§fn mem_as_bytes(&self) -> &[u8] ⓘ
fn mem_as_bytes(&self) -> &[u8] ⓘ
Available on crate feature
unsafe_slice only.