Struct MemoryManager

pub struct MemoryManager { /* private fields */ }

A memory manager that tracks allocated memory using a bump allocator and ensures that memory is deallocated and dropped properly when the manager is dropped.

Implementations

impl MemoryManager

pub fn new() -> MemoryManager

Create a new memory manager.

Trait Implementations

impl Allocator for MemoryManager

fn allocate(&self, layout: Layout) -> Result<NonNull<[u8]>, AllocError>

Attempts to allocate a block of memory.

fn allocate_zeroed(&self, layout: Layout) -> Result<NonNull<[u8]>, AllocError>

Behaves like allocate, but also ensures that the returned memory is zero-initialized.

unsafe fn deallocate(&self, ptr: NonNull<u8>, layout: Layout)

Deallocates the memory referenced by ptr.

unsafe fn grow( &self, ptr: NonNull<u8>, old_layout: Layout, new_layout: Layout, ) -> Result<NonNull<[u8]>, AllocError>

Attempts to extend the memory block.

unsafe fn grow_zeroed( &self, ptr: NonNull<u8>, old_layout: Layout, new_layout: Layout, ) -> Result<NonNull<[u8]>, AllocError>

Behaves like grow, but also ensures that the new contents are set to zero before being returned.

unsafe fn shrink( &self, ptr: NonNull<u8>, old_layout: Layout, new_layout: Layout, ) -> Result<NonNull<[u8]>, AllocError>

Attempts to shrink the memory block.

fn by_ref(&self) -> &Self

where Self: Sized,

Creates a “by reference” adapter for this instance of Allocator.

impl Drop for MemoryManager

fn drop(&mut self)

Executes the destructor for this type.

impl<'a> WriterFactory for MemoryManager

fn new_reverse( &self, size: usize, ) -> Result<ReverseSliceWriter<'_>, EncodeError>

Create a new reverse writer.