Struct nalloc::NAlloc

pub struct NAlloc<T> { /* fields omitted */ }

A wrapper around an allocator to turn allocation on and off.

Implementations

impl<T> NAlloc<T>

pub const fn new(wrapped: T) -> NAlloc<T>

Wraps an allocator.

#[must_use = "The lock must stay alive as long as no allocations are allowed."]pub fn deny<'a>(&'a self) -> AllocationLocker<'a, T>

Forbid allocations.

This functions returns a lock that must be kept alive as long as no allocations are allowed.

Trait Implementations

impl<T: Debug> Debug for NAlloc<T>

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl<T: GlobalAlloc> GlobalAlloc for NAlloc<T>

unsafe fn alloc(&self, layout: Layout) -> *mut u8

Allocate memory as described by the given layout.

unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout)

Deallocate the block of memory at the given ptr pointer with the given layout.

unsafe fn alloc_zeroed(&self, layout: Layout) -> *mut u8

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

unsafe fn realloc(
    &self,
    ptr: *mut u8,
    layout: Layout,
    new_size: usize
) -> *mut u8

Shrink or grow a block of memory to the given new_size. The block is described by the given ptr pointer and layout.