Struct rkyv::ser::serializers::HeapScratch

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pub struct HeapScratch<const N: usize> { /* private fields */ }

Expand description

Fixed-size scratch space allocated on the heap.

Implementations

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impl<const N: usize> HeapScratch<N>

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pub fn new() -> Self

Creates a new heap scratch space.

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pub fn layout() -> Layout

Gets the memory layout of the heap-allocated space.

Trait Implementations

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impl<const N: usize> Debug for HeapScratch<N>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl<const N: usize> Default for HeapScratch<N>

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fn default() -> Self

Returns the “default value” for a type. Read more

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impl<const N: usize> Fallible for HeapScratch<N>

type Error = <BufferScratch<Box<[u8 ]>> as Fallible>::Error

The error produced by any failing methods.

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impl<const N: usize> ScratchSpace for HeapScratch<N>

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unsafe fn push_scratch(
&mut self,
layout: Layout
) -> Result<NonNull<[u8 ]>, Self::Error>

Allocates scratch space of the requested size. Read more

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unsafe fn pop_scratch(
 &mut self,
 ptr: NonNull<u8>,
 layout: Layout
) -> Result<(), Self::Error>

Deallocates previously allocated scratch space. Read more

Auto Trait Implementations

impl<const N: usize> RefUnwindSafe for HeapScratch<N>

impl<const N: usize> Send for HeapScratch<N>

impl<const N: usize> Sync for HeapScratch<N>

impl<const N: usize> Unpin for HeapScratch<N>

impl<const N: usize> UnwindSafe for HeapScratch<N>

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> ArchivePointee for T

type ArchivedMetadata = ()

The archived version of the pointer metadata for this type.

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fn pointer_metadata(_: &Self::ArchivedMetadata) -> <Self 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,

const: unstable · source

pub 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,

const: unstable · source

pub fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<F, W, T, D> Deserialize<With<T, W>, D> for F where
 W: DeserializeWith<F, T, D>,
 D: Fallible + ?Sized,
 F: ?Sized,

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fn deserialize(&self, deserializer: &mut D) -> Result<With<T, W>, D::Error>

Deserializes using the given deserializer

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impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

pub 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> Pointee for T

type Metadata = ()

The type for metadata in pointers and references to Self.

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct rkyv::ser::serializers::HeapScratch

Implementations

impl<const N: usize> HeapScratch<N>

pub fn new() -> Self

pub fn layout() -> Layout

Trait Implementations

impl<const N: usize> Debug for HeapScratch<N>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl<const N: usize> Default for HeapScratch<N>

fn default() -> Self

impl<const N: usize> Fallible for HeapScratch<N>

type Error = <BufferScratch<Box<[u8]>> as Fallible>::Error

impl<const N: usize> ScratchSpace for HeapScratch<N>

unsafe fn push_scratch( &mut self, layout: Layout) -> Result<NonNull<[u8]>, Self::Error>

unsafe fn pop_scratch( &mut self, ptr: NonNull<u8>, layout: Layout) -> Result<(), Self::Error>

Auto Trait Implementations

impl<const N: usize> RefUnwindSafe for HeapScratch<N>

impl<const N: usize> Send for HeapScratch<N>

impl<const N: usize> Sync for HeapScratch<N>

impl<const N: usize> Unpin for HeapScratch<N>

impl<const N: usize> UnwindSafe for HeapScratch<N>

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

pub fn type_id(&self) -> TypeId

impl<T> ArchivePointee for T

type ArchivedMetadata = ()

fn pointer_metadata(_: &Self::ArchivedMetadata) -> <Self as Pointee>::Metadata

impl<T> Borrow<T> for T where T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

pub fn borrow_mut(&mut self) -> &mut T

impl<F, W, T, D> Deserialize<With<T, W>, D> for F where W: DeserializeWith<F, T, D>, D: Fallible + ?Sized, F: ?Sized,

fn deserialize(&self, deserializer: &mut D) -> Result<With<T, W>, D::Error>

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

pub fn into(self) -> U

impl<T> Pointee for T

type Metadata = ()

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

type Error = <BufferScratch<Box<[u8 ]>> as Fallible>::Error

unsafe fn push_scratch(
&mut self,
layout: Layout
) -> Result<NonNull<[u8 ]>, Self::Error>

unsafe fn pop_scratch(
&mut self,
ptr: NonNull<u8>,
layout: Layout
) -> Result<(), Self::Error>

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<F, W, T, D> Deserialize<With<T, W>, D> for F where
W: DeserializeWith<F, T, D>,
D: Fallible + ?Sized,
F: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,