Struct Global

pub struct Global;

This represents the global allocator registered with the #[global_allocator] attribute

See GlobalAlloc for more info

Trait Implementations

impl Clone for Global

fn clone(&self) -> Global

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Default for Global

fn default() -> Global

Returns the “default value” for a type.

impl Storage for Global

type Handle = GlobalHandle

The StorageHandle type that represents an allocation by this Storage

unsafe fn resolve(&self, handle: Self::Handle) -> NonNull<()>

Returns a pointer to the allocation represented by handle

fn allocate( &self, layout: Layout, ) -> Result<(Self::Handle, usize), StorageAllocError>

Allocates memory with a layout specified by layout

unsafe fn deallocate(&self, layout: Layout, handle: Self::Handle)

Deallocates (and invalidates) a StorageHandle that was allocated with this Storage

unsafe fn grow( &self, old_layout: Layout, new_layout: Layout, handle: Self::Handle, ) -> Result<(Self::Handle, usize), StorageAllocError>

Grows (increases the size of) an allocation

unsafe fn shrink( &self, old_layout: Layout, new_layout: Layout, handle: Self::Handle, ) -> Result<(Self::Handle, usize), StorageAllocError>

Shrinks (decreases the size of) an allocation

impl Copy for Global

impl MultipleStorage for Global