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UnboundObjectPoolRef

Struct UnboundObjectPoolRef 

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pub struct UnboundObjectPoolRef<T: Send> { /* private fields */ }
Expand description

One item borrowed from an UnboundObjectPoolDeref/DerefMut to T for normal use, and returns itself to the pool (after running release on it) when dropped.

Meant to be wrapped in an Arc wherever it needs to be shared/cloned downstream (see crate::buffer::MediaBuffer::Video) — cloning the Arc is what lets e.g. crate::elements::Tee fan the same frame out to multiple branches cheaply, and the item only actually goes back to the pool once every one of those clones has been dropped. This type itself is deliberately not Clone: only one thing can hold the actual boxed value at a time, or “return it once the last reference drops” wouldn’t mean anything.

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impl<T: Send> Deref for UnboundObjectPoolRef<T>

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type Target = T

The resulting type after dereferencing.
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fn deref(&self) -> &Self::Target

Dereferences the value.
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impl<T: Send> DerefMut for UnboundObjectPoolRef<T>

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fn deref_mut(&mut self) -> &mut Self::Target

Mutably dereferences the value.
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impl<T: Send> Drop for UnboundObjectPoolRef<T>

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fn drop(&mut self)

Executes the destructor for this type. Read more
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fn pin_drop(self: Pin<&mut Self>)

🔬This is a nightly-only experimental API. (pin_ergonomics)
Execute the destructor for this type, but different to Drop::drop, it requires self to be pinned. Read more

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Blanket Implementations§

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impl<T, A, P> Access<T> for P
where A: Access<T> + ?Sized, P: Deref<Target = A>,

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type Guard = <A as Access<T>>::Guard

A guard object containing the value and keeping it alive. Read more
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fn load(&self) -> <P as Access<T>>::Guard

The loading method. Read more
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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, A> DynAccess<T> for A
where A: Access<T>, <A as Access<T>>::Guard: 'static,

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fn load(&self) -> DynGuard<T>

The equivalent of Access::load.
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impl<T> Formattable for T
where T: Deref, <T as Deref>::Target: Formattable,

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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> Parsable for T
where T: Deref, <T as Deref>::Target: Parsable,

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impl<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

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type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
The target type on which the method may be called.
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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.