[−][src]Struct context_allocator::adaptors::AllocatorAdaptor
Adapts an Allocator
to the GlobalAlloc
and Alloc
traits.
Trait Implementations
impl<'a, A: 'a + Allocator> Allocator for AllocatorAdaptor<'a, A>
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fn allocate(
&self,
non_zero_size: NonZeroUsize,
non_zero_power_of_two_alignment: NonZeroUsize
) -> Result<MemoryAddress, AllocErr>
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&self,
non_zero_size: NonZeroUsize,
non_zero_power_of_two_alignment: NonZeroUsize
) -> Result<MemoryAddress, AllocErr>
fn deallocate(
&self,
non_zero_size: NonZeroUsize,
non_zero_power_of_two_alignment: NonZeroUsize,
current_memory: MemoryAddress
)
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&self,
non_zero_size: NonZeroUsize,
non_zero_power_of_two_alignment: NonZeroUsize,
current_memory: MemoryAddress
)
fn growing_reallocate(
&self,
non_zero_new_size: NonZeroUsize,
non_zero_power_of_two_alignment: NonZeroUsize,
non_zero_current_size: NonZeroUsize,
current_memory: MemoryAddress
) -> Result<MemoryAddress, AllocErr>
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&self,
non_zero_new_size: NonZeroUsize,
non_zero_power_of_two_alignment: NonZeroUsize,
non_zero_current_size: NonZeroUsize,
current_memory: MemoryAddress
) -> Result<MemoryAddress, AllocErr>
fn shrinking_reallocate(
&self,
non_zero_new_size: NonZeroUsize,
non_zero_power_of_two_alignment: NonZeroUsize,
non_zero_current_size: NonZeroUsize,
current_memory: MemoryAddress
) -> Result<MemoryAddress, AllocErr>
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&self,
non_zero_new_size: NonZeroUsize,
non_zero_power_of_two_alignment: NonZeroUsize,
non_zero_current_size: NonZeroUsize,
current_memory: MemoryAddress
) -> Result<MemoryAddress, AllocErr>
const ZeroSizedAllocation: MemoryAddress
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The sentinel value used for a zero-sized allocation.
fn adapt<'a>(&'a self) -> AllocatorAdaptor<'a, Self>
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Adapts to a GlobalAlloc
and Alloc
.
fn adapt_reference<'a>(&'a self) -> &'a AllocatorAdaptor<'a, Self>
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Adapts a reference to a GlobalAlloc
and Alloc
reference.
impl<'a, A: Debug + 'a + Allocator> Debug for AllocatorAdaptor<'a, A>
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impl<'a, A: 'a + Allocator> Deref for AllocatorAdaptor<'a, A>
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impl<'a, A: 'a + Allocator> GlobalAlloc for AllocatorAdaptor<'a, A>
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unsafe fn alloc(&self, layout: Layout) -> *mut u8
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unsafe fn alloc_zeroed(&self, layout: Layout) -> *mut u8
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unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout)
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unsafe fn realloc(
&self,
ptr: *mut u8,
layout: Layout,
new_size: usize
) -> *mut u8
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&self,
ptr: *mut u8,
layout: Layout,
new_size: usize
) -> *mut u8
impl<'a, A: 'a + Allocator> Alloc for AllocatorAdaptor<'a, A>
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unsafe fn alloc(&mut self, layout: Layout) -> Result<MemoryAddress, AllocErr>
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unsafe fn alloc_zeroed(
&mut self,
layout: Layout
) -> Result<MemoryAddress, AllocErr>
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&mut self,
layout: Layout
) -> Result<MemoryAddress, AllocErr>
unsafe fn dealloc(&mut self, ptr: MemoryAddress, layout: Layout)
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unsafe fn realloc(
&mut self,
ptr: MemoryAddress,
layout: Layout,
new_size: usize
) -> Result<MemoryAddress, AllocErr>
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&mut self,
ptr: MemoryAddress,
layout: Layout,
new_size: usize
) -> Result<MemoryAddress, AllocErr>
unsafe fn alloc_excess(&mut self, layout: Layout) -> Result<Excess, AllocErr>
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unsafe fn realloc_excess(
&mut self,
ptr: MemoryAddress,
layout: Layout,
new_size: usize
) -> Result<Excess, AllocErr>
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&mut self,
ptr: MemoryAddress,
layout: Layout,
new_size: usize
) -> Result<Excess, AllocErr>
unsafe fn grow_in_place(
&mut self,
ptr: MemoryAddress,
layout: Layout,
new_size: usize
) -> Result<(), CannotReallocInPlace>
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&mut self,
ptr: MemoryAddress,
layout: Layout,
new_size: usize
) -> Result<(), CannotReallocInPlace>
unsafe fn shrink_in_place(
&mut self,
ptr: MemoryAddress,
layout: Layout,
new_size: usize
) -> Result<(), CannotReallocInPlace>
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&mut self,
ptr: MemoryAddress,
layout: Layout,
new_size: usize
) -> Result<(), CannotReallocInPlace>
default fn usable_size(&self, layout: &Layout) -> (usize, usize)
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allocator_api
)Returns bounds on the guaranteed usable size of a successful allocation created with the specified layout
. Read more
default fn alloc_one<T>(&mut self) -> Result<NonNull<T>, AllocErr>
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allocator_api
)Allocates a block suitable for holding an instance of T
. Read more
unsafe default fn dealloc_one<T>(&mut self, ptr: NonNull<T>)
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allocator_api
)Deallocates a block suitable for holding an instance of T
. Read more
default fn alloc_array<T>(&mut self, n: usize) -> Result<NonNull<T>, AllocErr>
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allocator_api
)Allocates a block suitable for holding n
instances of T
. Read more
unsafe default fn realloc_array<T>(
&mut self,
ptr: NonNull<T>,
n_old: usize,
n_new: usize
) -> Result<NonNull<T>, AllocErr>
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&mut self,
ptr: NonNull<T>,
n_old: usize,
n_new: usize
) -> Result<NonNull<T>, AllocErr>
allocator_api
)Reallocates a block previously suitable for holding n_old
instances of T
, returning a block suitable for holding n_new
instances of T
. Read more
unsafe default fn dealloc_array<T>(
&mut self,
ptr: NonNull<T>,
n: usize
) -> Result<(), AllocErr>
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&mut self,
ptr: NonNull<T>,
n: usize
) -> Result<(), AllocErr>
allocator_api
)Deallocates a block suitable for holding n
instances of T
. Read more
Auto Trait Implementations
impl<'a, A> Send for AllocatorAdaptor<'a, A> where
A: Sync,
A: Sync,
impl<'a, A> Sync for AllocatorAdaptor<'a, A> where
A: Sync,
A: Sync,
Blanket Implementations
impl<T, U> Into for T where
U: From<T>,
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U: From<T>,
impl<T> From for T
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impl<T, U> TryFrom for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T> Borrow for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T, U> TryInto for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,