memory_resource_allocator Class Reference
Adapters and Wrappers

## Detailed Description

Wraps a memory_resource and makes it a RawAllocator.

## Member Functions

| memory_resource_allocator (memory_resource *ptr) noexcept
void * | allocate_node (std::size_t size, std::size_t alignment)
void | deallocate_node (void *ptr, std::size_t size, std::size_t alignment) noexcept
std::size_t | max_alignment () const noexcept
memory_resource * | resource () const noexcept

## Constructors

## memory_resource_allocator()

memory_resource_allocator | ( | memory_resource * | ptr | ) |

noexcept

Effects:
  Creates it by giving it a pointer to the memory_resource.

Requires:
  `ptr` must not be `nullptr`.

## Member Functions

## allocate_node()

void * allocate_node | ( | std::size_t | size,
|  | std::size_t | alignment
| ) |  |

Effects:
  Allocates a node by forwarding to the `allocate()` function.

Returns:
  The node as returned by the memory_resource.

Throws:
  Anything thrown by the `allocate()` function.

## deallocate_node()

void deallocate_node | ( | void * | ptr,
|  | std::size_t | size,
|  | std::size_t | alignment
| ) |  |

noexcept

Effects:
  Deallocates a node by forwarding to the `deallocate()` function.

## max_alignment()

std::size_t max_alignment | ( |  | ) | const

noexcept

Returns:
  The maximum alignment which is the maximum value of type `std::size_t`.

## resource()

memory_resource * resource | ( |  | ) | const

noexcept

Returns:
  A pointer to the used memory_resource, this is never `nullptr`.