# Module alloc::alloc

1.28.0 · source ·
Expand description

Memory allocation APIs

## Modules

- failure_handling Experimental
  TBD

## Structs

- AllocError Experimental
  The `AllocError` error indicates an allocation failure that may be due to resource exhaustion or to something wrong when combining the given input arguments with this allocator.
- Global Experimental
  The global memory allocator.
- Layout
  Layout of a block of memory.
- LayoutError
  The parameters given to `Layout::from_size_align` or some other `Layout` constructor do not satisfy its documented constraints.

## Traits

- Allocator Experimental
  An implementation of `Allocator` can allocate, grow, shrink, and deallocate arbitrary blocks of data described via `Layout`.
- GlobalAlloc
  A memory allocator that can be registered as the standard library’s default through the `#[global_allocator]` attribute.

## Functions

- alloc⚠
  Allocate memory with the global allocator.
- alloc_zeroed⚠
  Allocate zero-initialized memory with the global allocator.
- dealloc⚠
  Deallocate memory with the global allocator.
- handle_alloc_error
  Signal a memory allocation error.
- realloc⚠
  Reallocate memory with the global allocator.

## Type Aliases

- LayoutErr Deprecated