Struct GrowableArena 

pub struct GrowableArena { /* private fields */ }

A growable arena that reallocates its backing buffer when full.

Implementations

impl GrowableArena

pub fn new(initial: usize) -> Self

Creates a new growable arena with initial bytes.

pub fn alloc(&mut self, size: usize, align: usize) -> usize

Allocates size bytes, growing the backing buffer if needed.

pub fn used(&self) -> usize

Returns total bytes used.

pub fn count(&self) -> usize

Returns total allocation count.

pub fn reset(&mut self)

Resets the arena.

Trait Implementations

impl ArenaAllocator for GrowableArena

fn alloc_raw(&mut self, bytes: usize, align: usize) -> Option<usize>

Allocates bytes bytes with align alignment. Returns Some(offset) on success or None on failure.

fn used_bytes(&self) -> usize

Returns the number of bytes currently used.