[−][src]Struct alloc_compose::NullAlloc
An emphatically empty implementation of AllocRef
.
Although it has no direct use, it is useful as a "terminator" in composite allocators.
Trait Implementations
impl AllocRef for NullAlloc
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fn alloc(
self,
_layout: Layout,
_init: AllocInit
) -> Result<MemoryBlock, AllocErr>
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self,
_layout: Layout,
_init: AllocInit
) -> Result<MemoryBlock, AllocErr>
unsafe fn dealloc(self, _memory: MemoryBlock)
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unsafe fn grow(
self,
_memory: &mut MemoryBlock,
_new_size: usize,
_placement: ReallocPlacement,
_init: AllocInit
) -> Result<(), AllocErr>
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self,
_memory: &mut MemoryBlock,
_new_size: usize,
_placement: ReallocPlacement,
_init: AllocInit
) -> Result<(), AllocErr>
unsafe fn shrink(
self,
_memory: &mut MemoryBlock,
_new_size: usize,
_placement: ReallocPlacement
) -> Result<(), AllocErr>
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self,
_memory: &mut MemoryBlock,
_new_size: usize,
_placement: ReallocPlacement
) -> Result<(), AllocErr>
impl Clone for NullAlloc
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fn clone(&self) -> NullAlloc
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fn clone_from(&mut self, source: &Self)
1.0.0[src]
impl Copy for NullAlloc
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impl Debug for NullAlloc
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impl Owns for NullAlloc
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fn owns(&self, _memory: &MemoryBlock) -> bool
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Auto Trait Implementations
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> 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, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,