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Traits type used to obtain the allocator associated with an object.
template<
typename T,
typename Allocator = std::allocator<void>>
struct associated_allocator
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Name |
Description |
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If T has a nested type allocator_type, T::allocator_type. Otherwise Allocator. |
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Name |
Description |
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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.
type that identifies a type meeting
the Allocator requirements.
get, callable
as get(t) and with return type type.
get, callable
as get(t,a) and with return type type.
Header: asio/associated_allocator.hpp
Convenience header: asio.hpp