Struct Bump 

pub struct Bump { /* private fields */ }

Bump-pointer arena.

Implementations

impl Bump

pub fn new() -> Self

New empty arena. First chunk is allocated on first use.

pub fn with_capacity(initial_bytes: usize) -> Self

New arena, pre-allocating the first chunk at initial_bytes bytes.

pub fn alloc_copy<T: Copy>(&mut self, value: T) -> &mut T

Allocate a Copy value. Returns an exclusive reference valid until the next call to reset or arena drop.

pub fn alloc_raw(&mut self, layout: Layout) -> *mut u8

Allocate size bytes, aligned to align. Returns a raw pointer; the caller is responsible for writing into it. Used by alloc_copy.

pub fn reset(&mut self)

Rewind to empty without freeing chunks. The next alloc_* call reuses the same chunks.

pub fn total_capacity(&self) -> usize

Total bytes currently allocated across all chunks.

Trait Implementations

impl Default for Bump

fn default() -> Self

Returns the “default value” for a type.