Struct Arena 

pub struct Arena { /* private fields */ }

Bump allocator arena

Implementations

impl Arena

pub fn new() -> Result<Self>

Create a new arena with default size

pub fn with_capacity(capacity: usize) -> Result<Self>

Create a new arena with specified capacity

pub fn with_capacity_and_alignment( capacity: usize, alignment: usize, ) -> Result<Self>

Create a new arena with specified capacity and alignment

pub fn allocate(&self, size: usize) -> Result<NonNull<u8>>

Allocate memory from the arena

pub fn allocate_aligned( &self, size: usize, alignment: usize, ) -> Result<NonNull<u8>>

Allocate aligned memory from the arena

pub fn reset(&self)

Reset the arena (invalidates all previous allocations)

pub fn usage(&self) -> usize

Get current usage

pub fn capacity(&self) -> usize

Get capacity

pub fn available(&self) -> usize

Get available space

pub fn is_exhausted(&self) -> bool

Check if arena is exhausted

pub fn stats(&self) -> Arc<ArenaStats>

Get statistics

pub fn allocate_slice<T>(&self, count: usize) -> Result<&mut [T]>

Allocate a slice of values

pub fn allocate_value<T>(&self, value: T) -> Result<&mut T>

Allocate and initialize a value

Trait Implementations

impl Drop for Arena

fn drop(&mut self)

Executes the destructor for this type.

impl Send for Arena

impl Sync for Arena