### associated_allocator

Traits type used to obtain the allocator associated with an object.

    template<
        typename T,
        typename Allocator = std::allocator<void>>
    struct associated_allocator

##### Types

Name | Description
--- | ---
type | If T has a nested type allocator_type, T::allocator_type. Otherwise Allocator.

##### Member Functions

Name | Description
--- | ---
get | If T has a nested type allocator_type, returns t.get_allocator(). Otherwise returns a.

A program may specialise this traits type if the `T` template parameter in the specialisation is a user-defined type. The template parameter `Allocator` shall be a type meeting the Allocator requirements.

Specialisations shall meet the following requirements, where `t` is a const reference to an object of type `T`, and `a` is an object of type `Allocator`.

- Provide a nested typedef `type` that identifies a type meeting the Allocator requirements.
- Provide a noexcept static member function named `get`, callable as `get(t)` and with return type `type`.
- Provide a noexcept static member function named `get`, callable as `get(t,a)` and with return type `type`.

##### Requirements

Header: `asio/associated_allocator.hpp`

Convenience header: `asio.hpp`