Struct Global

pub struct Global;

A fallback for alloc::alloc::Global, which is currently unstable.

Trait Implementations

impl Allocator for Global

fn allocate(&self, layout: Layout) -> Result<NonNull<[u8]>, AllocError>

See alloc::alloc::Allocator::allocate.

unsafe fn deallocate(&self, ptr: NonNull<u8>, layout: Layout)

See alloc::alloc::Allocator::deallocate.

fn allocate_zeroed(&self, layout: Layout) -> Result<NonNull<[u8]>, AllocError>

See alloc::alloc::Allocator::allocate_zeroed.

unsafe fn grow( &self, ptr: NonNull<u8>, old_layout: Layout, new_layout: Layout, ) -> Result<NonNull<[u8]>, AllocError>

See alloc::alloc::Allocator::grow.

unsafe fn grow_zeroed( &self, ptr: NonNull<u8>, old_layout: Layout, new_layout: Layout, ) -> Result<NonNull<[u8]>, AllocError>

See alloc::alloc::Allocator::grow_zeroed.

unsafe fn shrink( &self, ptr: NonNull<u8>, old_layout: Layout, new_layout: Layout, ) -> Result<NonNull<[u8]>, AllocError>

See alloc::alloc::Allocator::shrink.

fn by_ref(&self) -> &Self

where Self: Sized,

See alloc::alloc::Allocator::by_ref.

impl Clone for Global

fn clone(&self) -> Global

Returns a duplicate of the value.

const fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Global

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

Formats the value using the given formatter.

impl Default for Global

fn default() -> Global

Returns the “default value” for a type.

impl Copy for Global