Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

Forwards the request to get the allocator to the associator specialisation for the unwrapped type T.

static type get(
    reference_wrapper< T > t);
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static auto get(
    reference_wrapper< T > t,
    const Allocator & a);
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