Struct vstd::rwlock::ReadHandle

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pub struct ReadHandle<'a, V, Pred: RwLockPredicate<V>> { /* private fields */ }
Expand description

Handle obtained for a shared read-lock from an RwLock.

Warning: The lock is NOT released automatically when the handle is dropped. You must call release_read. Verus does not check that lock is released.

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impl<'a, V, Pred: RwLockPredicate<V>> ReadHandle<'a, V, Pred>

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pub closed spec fn view(self) -> V

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pub closed spec fn rwlock(self) -> RwLock<V, Pred>

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pub exec fn borrow<'b>(&'b self) -> val : &'b V

ensures
val == self.view(),

Obtain a shared reference to the object contained in the lock.

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pub proof fn lemma_readers_match(tracked read_handle1: &ReadHandle<'_, V, Pred>, tracked read_handle2: &ReadHandle<'_, V, Pred> )

requires
read_handle1.rwlock() == read_handle2.rwlock(),
ensures
(equal(read_handle1.view(), read_handle2.view())),
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pub exec fn release_read(self)

Auto Trait Implementations§

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impl<'a, V, Pred> Freeze for ReadHandle<'a, V, Pred>

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impl<'a, V, Pred> !RefUnwindSafe for ReadHandle<'a, V, Pred>

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impl<'a, V, Pred> Send for ReadHandle<'a, V, Pred>
where Pred: Sync + Send, V: Sync + Send,

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impl<'a, V, Pred> Sync for ReadHandle<'a, V, Pred>
where Pred: Sync + Send, V: Sync + Send,

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impl<'a, V, Pred> Unpin for ReadHandle<'a, V, Pred>
where V: Unpin, Pred: Unpin,

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impl<'a, V, Pred> !UnwindSafe for ReadHandle<'a, V, Pred>

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, 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.