pub struct RwLockReadGuard<'rwlock, T>where
T: 'rwlock + ?Sized,{ /* private fields */ }🔬This is a nightly-only experimental API. (
nonpoison_rwlock)Expand description
Implementations§
Source§impl<'rwlock, T> RwLockReadGuard<'rwlock, T>where
T: ?Sized,
impl<'rwlock, T> RwLockReadGuard<'rwlock, T>where
T: ?Sized,
Sourcepub fn map<U, F>(
orig: RwLockReadGuard<'rwlock, T>,
f: F,
) -> MappedRwLockReadGuard<'rwlock, U>
🔬This is a nightly-only experimental API. (mapped_lock_guards)
pub fn map<U, F>( orig: RwLockReadGuard<'rwlock, T>, f: F, ) -> MappedRwLockReadGuard<'rwlock, U>
mapped_lock_guards)Makes a MappedRwLockReadGuard for a component of the borrowed data, e.g.
an enum variant.
The RwLock is already locked for reading, so this cannot fail.
This is an associated function that needs to be used as
RwLockReadGuard::map(...). A method would interfere with methods of
the same name on the contents of the RwLockReadGuard used through
Deref.
§Panics
If the closure panics, the guard will be dropped (unlocked).
Sourcepub fn filter_map<U, F>(
orig: RwLockReadGuard<'rwlock, T>,
f: F,
) -> Result<MappedRwLockReadGuard<'rwlock, U>, RwLockReadGuard<'rwlock, T>>
🔬This is a nightly-only experimental API. (mapped_lock_guards)
pub fn filter_map<U, F>( orig: RwLockReadGuard<'rwlock, T>, f: F, ) -> Result<MappedRwLockReadGuard<'rwlock, U>, RwLockReadGuard<'rwlock, T>>
mapped_lock_guards)Makes a MappedRwLockReadGuard for a component of the borrowed data. The
original guard is returned as an Err(...) if the closure returns
None.
The RwLock is already locked for reading, so this cannot fail.
This is an associated function that needs to be used as
RwLockReadGuard::filter_map(...). A method would interfere with methods
of the same name on the contents of the RwLockReadGuard used through
Deref.
§Panics
If the closure panics, the guard will be dropped (unlocked).
Trait Implementations§
Source§impl<T> Debug for RwLockReadGuard<'_, T>
impl<T> Debug for RwLockReadGuard<'_, T>
Source§impl<T> Deref for RwLockReadGuard<'_, T>where
T: ?Sized,
impl<T> Deref for RwLockReadGuard<'_, T>where
T: ?Sized,
Source§impl<T> Display for RwLockReadGuard<'_, T>
impl<T> Display for RwLockReadGuard<'_, T>
Source§impl<T> Drop for RwLockReadGuard<'_, T>where
T: ?Sized,
impl<T> Drop for RwLockReadGuard<'_, T>where
T: ?Sized,
impl<T> !Send for RwLockReadGuard<'_, T>where
T: ?Sized,
impl<T> Sync for RwLockReadGuard<'_, T>
Auto Trait Implementations§
impl<'rwlock, T> Freeze for RwLockReadGuard<'rwlock, T>where
T: ?Sized,
impl<'rwlock, T> RefUnwindSafe for RwLockReadGuard<'rwlock, T>where
T: RefUnwindSafe + ?Sized,
impl<'rwlock, T> Unpin for RwLockReadGuard<'rwlock, T>where
T: ?Sized,
impl<'rwlock, T> UnwindSafe for RwLockReadGuard<'rwlock, T>where
T: RefUnwindSafe + ?Sized,
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Source§impl<'a, T, E> AsTaggedExplicit<'a, E> for Twhere
T: 'a,
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impl<'a, T, E> AsTaggedImplicit<'a, E> for Twhere
T: 'a,
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, A> DynAccess<T> for A
impl<T, A> DynAccess<T> for A
Source§fn load(&self) -> DynGuard<T>
fn load(&self) -> DynGuard<T>
The equivalent of
Access::load.Source§impl<T> Instrument for T
impl<T> Instrument for T
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Source§fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ
fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ
Converts
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if into_left is true.
Converts self into a Right variant of Either<Self, Self>
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
Converts
self into a Left variant of Either<Self, Self>
if into_left(&self) returns true.
Converts self into a Right variant of Either<Self, Self>
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impl<T> Source for T
Source§type Slice<'a> = <<T as Deref>::Target as Source>::Slice<'a>
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type Slice<'a> = <<T as Deref>::Target as Source>::Slice<'a> where T: 'a
A type this
Source can be sliced into.Source§fn read<'a, Chunk>(&'a self, offset: usize) -> Option<Chunk>where
Chunk: Chunk<'a>,
fn read<'a, Chunk>(&'a self, offset: usize) -> Option<Chunk>where
Chunk: Chunk<'a>,
Read a chunk of bytes into an array. Returns
None when reading
out of bounds would occur. Read moreSource§unsafe fn read_byte_unchecked(&self, offset: usize) -> u8
unsafe fn read_byte_unchecked(&self, offset: usize) -> u8
Read a byte without doing bounds checks. Read more
Source§fn slice(&self, range: Range<usize>) -> Option<<T as Source>::Slice<'_>>
fn slice(&self, range: Range<usize>) -> Option<<T as Source>::Slice<'_>>
Get a slice of the source at given range. This is analogous to
slice::get(range). Read moreSource§unsafe fn slice_unchecked(
&self,
range: Range<usize>,
) -> <T as Source>::Slice<'_>
unsafe fn slice_unchecked( &self, range: Range<usize>, ) -> <T as Source>::Slice<'_>
Get a slice of the source at given range. This is analogous to
slice::get_unchecked(range). Read more