core::alloc - Rust
Description: API documentation for the Rust `alloc` mod in crate `core`.
Keywords: rust, rustlang, rust-lang, alloc

# 1.28.0[−][src]Module core::alloc

Memory allocation APIs

## 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.
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.

## Type Definitions

LayoutErr | Deprecation planned