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AllocationTracker

Struct AllocationTracker 

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pub struct AllocationTracker<T> { /* private fields */ }
Expand description

A passthrough allocator that tracks usage.

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impl<T> AllocationTracker<T>

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pub fn new(inner: T) -> Self

Returns a new allocation tracker wrapping the given allocator.

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pub fn into_stats(self) -> AllocationStats

Returns the allocation stats accumulated during serialization.

Trait Implementations§

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impl<T: Allocator<E>, E> Allocator<E> for AllocationTracker<T>

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unsafe fn push_alloc(&mut self, layout: Layout) -> Result<NonNull<[u8]>, E>

Allocates scratch space of the requested size. Read more
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unsafe fn pop_alloc( &mut self, ptr: NonNull<u8>, layout: Layout, ) -> Result<(), E>

Deallocates previously allocated scratch space. Read more
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impl<T> From<T> for AllocationTracker<T>

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fn from(inner: T) -> Self

Converts to this type from the input type.

Auto Trait Implementations§

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impl<T> Freeze for AllocationTracker<T>
where T: Freeze,

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impl<T> RefUnwindSafe for AllocationTracker<T>
where T: RefUnwindSafe,

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impl<T> Send for AllocationTracker<T>
where T: Send,

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impl<T> Sync for AllocationTracker<T>
where T: Sync,

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impl<T> Unpin for AllocationTracker<T>
where T: Unpin,

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impl<T> UnsafeUnpin for AllocationTracker<T>
where T: UnsafeUnpin,

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impl<T> UnwindSafe for AllocationTracker<T>
where T: UnwindSafe,

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> ArchivePointee for T

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type ArchivedMetadata = ()

The archived version of the pointer metadata for this type.
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fn pointer_metadata( _: &<T as ArchivePointee>::ArchivedMetadata, ) -> <T as Pointee>::Metadata

Converts some archived metadata to the pointer metadata for itself.
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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<!> for T

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fn from(t: !) -> T

Converts to this type from the input type.
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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> LayoutRaw for T

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fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError>

Returns the layout of the type.
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impl<T, N1, N2> Niching<NichedOption<T, N1>> for N2
where T: SharedNiching<N1, N2>, N1: Niching<T>, N2: Niching<T>,

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unsafe fn is_niched(niched: *const NichedOption<T, N1>) -> bool

Returns whether the given value has been niched. Read more
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fn resolve_niched(out: Place<NichedOption<T, N1>>)

Writes data to out indicating that a T is niched.
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impl<T> Pointee for T

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type Metadata = ()

The metadata type for pointers and references to this type.
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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.