Struct ArenaAllocator 

pub struct ArenaAllocator { /* private fields */ }

Main arena allocator implementation

Implementations

impl ArenaAllocator

pub fn new( base_ptr: NonNull<u8>, size: usize, config: ArenaConfig, ) -> Result<Self, ArenaError>

Create a new arena allocator

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

Allocate memory from the arena

pub fn allocate_tagged( &mut self, size: usize, tag: String, ) -> Result<NonNull<u8>, ArenaError>

Allocate memory with a debug tag

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

Allocate aligned memory

pub fn reset(&mut self)

Reset the arena to empty state

pub fn checkpoint(&mut self) -> Result<CheckpointHandle, ArenaError>

Create a checkpoint for later rollback

pub fn checkpoint_named( &mut self, name: String, ) -> Result<CheckpointHandle, ArenaError>

Create a named checkpoint

pub fn rollback(&mut self, handle: CheckpointHandle) -> Result<(), ArenaError>

Rollback to a checkpoint

pub fn get_usage(&self) -> ArenaUsage

Get current usage information

pub fn get_stats(&self) -> &ArenaStats

Get statistics

pub fn get_allocations(&self) -> &[AllocationRecord]

Get allocation records (if tracking enabled)

pub fn get_checkpoints(&self) -> &[ArenaCheckpoint]

Get checkpoints

pub fn contains_pointer(&self, ptr: NonNull<u8>) -> bool

Check if a pointer belongs to this arena

pub fn get_allocation_info(&self, ptr: NonNull<u8>) -> Option<&AllocationRecord>

Get allocation info for a pointer (if tracking enabled)

pub fn validate(&self) -> Result<(), ArenaError>

Validate arena consistency

pub fn get_memory_layout(&self) -> MemoryLayout

Get memory layout information

Trait Implementations

impl Send for ArenaAllocator

impl Sync for ArenaAllocator