[−][src]Struct alloc_compose::region::raw::RawIntrusiveRegion
An intrusive region allocator, which stores the current posision in the provided memory.
This is the non-lifetime version of IntrusiveRegion
.
Implementations
impl RawIntrusiveRegion
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pub unsafe fn new(memory: NonNull<[u8]>) -> Self
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Creates a new region from the given memory block.
Safety
Behavior is undefined if any of the following conditions are violated:
-
memory
must be valid for reads and writes formemory.len()
many bytes. -
memory
must outlive the region. -
memory.len()
must be no larger thanisize::MAX
. See the safety documentation ofpointer::offset
.
For a safe variant use IntrusiveRegion
instead.
Panics
This function panics, when memory
is not large enough to properly store a pointer.
Trait Implementations
impl AllocRef for RawIntrusiveRegion
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pub fn alloc(&self, layout: Layout) -> Result<NonNull<[u8]>, AllocError>
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pub unsafe fn dealloc(&self, _ptr: NonNull<u8>, _layout: Layout)
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pub unsafe fn grow(
&self,
_ptr: NonNull<u8>,
_old_layout: Layout,
_new_layout: Layout
) -> Result<NonNull<[u8]>, AllocError>
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&self,
_ptr: NonNull<u8>,
_old_layout: Layout,
_new_layout: Layout
) -> Result<NonNull<[u8]>, AllocError>
pub unsafe fn grow_zeroed(
&self,
_ptr: NonNull<u8>,
_old_layout: Layout,
_new_layout: Layout
) -> Result<NonNull<[u8]>, AllocError>
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&self,
_ptr: NonNull<u8>,
_old_layout: Layout,
_new_layout: Layout
) -> Result<NonNull<[u8]>, AllocError>
pub unsafe fn shrink(
&self,
_ptr: NonNull<u8>,
_old_layout: Layout,
_new_layout: Layout
) -> Result<NonNull<[u8]>, AllocError>
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&self,
_ptr: NonNull<u8>,
_old_layout: Layout,
_new_layout: Layout
) -> Result<NonNull<[u8]>, AllocError>
pub fn alloc_zeroed(&self, layout: Layout) -> Result<NonNull<[u8]>, AllocError>
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pub fn by_ref(&self) -> &Self
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impl AllocateAll for RawIntrusiveRegion
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pub fn allocate_all(&self) -> Result<NonNull<[u8]>, AllocError>
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pub fn deallocate_all(&self)
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pub fn capacity(&self) -> usize
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pub fn capacity_left(&self) -> usize
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pub fn allocate_all_zeroed(&self) -> Result<NonNull<[u8]>, AllocError>
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pub fn is_empty(&self) -> bool
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pub fn is_full(&self) -> bool
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impl Clone for RawIntrusiveRegion
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pub fn clone(&self) -> RawIntrusiveRegion
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pub fn clone_from(&mut self, source: &Self)
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impl Debug for RawIntrusiveRegion
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impl GlobalAlloc for RawIntrusiveRegion
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pub unsafe fn alloc(&self, layout: Layout) -> *mut u8
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pub unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout)
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pub unsafe fn alloc_zeroed(&self, layout: Layout) -> *mut u8
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pub 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 Owns for RawIntrusiveRegion
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impl<'_> PartialEq<IntrusiveRegion<'_>> for RawIntrusiveRegion
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pub fn eq(&self, rhs: &IntrusiveRegion<'_>) -> bool
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#[must_use]pub fn ne(&self, other: &Rhs) -> bool
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impl PartialEq<RawIntrusiveRegion> for RawIntrusiveRegion
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impl<'_> PartialEq<RawIntrusiveRegion> for IntrusiveRegion<'_>
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pub fn eq(&self, rhs: &RawIntrusiveRegion) -> bool
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#[must_use]pub fn ne(&self, other: &Rhs) -> 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,
pub 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.
pub fn to_owned(&self) -> T
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pub 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.
pub 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>,