PoolGuard

Struct PoolGuard 

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pub struct PoolGuard<'a, MemProvider: PoolProvider + ?Sized> {
    pub addr: StoreAddr,
    /* private fields */
}

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§addr: StoreAddr

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impl<'a, MemProvider: PoolProvider> PoolGuard<'a, MemProvider>

This helper object can be used to safely access pool data without worrying about memory leaks.

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pub fn new(pool: &'a mut MemProvider, addr: StoreAddr) -> Self

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pub fn read(&self, buf: &mut [u8]) -> Result<usize, StoreError>

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pub fn read_as_vec(&self) -> Result<Vec<u8>, StoreError>

Available on crate feature alloc only.
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pub fn release(&mut self)

Releasing the pool guard will disable the automatic deletion of the data when the guard is dropped.

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impl<MemProvider: PoolProvider + ?Sized> Drop for PoolGuard<'_, MemProvider>

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fn drop(&mut self)

Executes the destructor for this type. Read more

Auto Trait Implementations§

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impl<'a, MemProvider> Freeze for PoolGuard<'a, MemProvider>
where MemProvider: ?Sized,

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impl<'a, MemProvider> RefUnwindSafe for PoolGuard<'a, MemProvider>
where MemProvider: RefUnwindSafe + ?Sized,

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impl<'a, MemProvider> Send for PoolGuard<'a, MemProvider>
where MemProvider: Send + ?Sized,

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impl<'a, MemProvider> Sync for PoolGuard<'a, MemProvider>
where MemProvider: Sync + ?Sized,

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impl<'a, MemProvider> Unpin for PoolGuard<'a, MemProvider>
where MemProvider: ?Sized,

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impl<'a, MemProvider> !UnwindSafe for PoolGuard<'a, MemProvider>

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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> Downcast for T
where T: Any,

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fn into_any(self: Box<T>) -> Box<dyn Any>

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.
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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
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fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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impl<T> DowncastSync for T
where T: Any + Send + Sync,

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fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Send + Sync>

Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait.
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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.