std::scoped_allocator_adaptor<OuterAlloc,InnerAlloc...>::outer_allocator

Since C++11

// 1)
outer_allocator_type& outer_allocator() noexcept;
// 2)
const outer_allocator_type& outer_allocator() const noexcept;

Obtains a reference to the outer allocator used to declare this class.

1. Returns static_cast<OuterAlloc&>(*this).
   
2. Returns static_cast<const OuterAlloc&>(*this).

Parameters

(none)

Return value

A reference to OuterAlloc.