std::scoped_allocator_adaptor<OuterAlloc,InnerAlloc...>::outer_allocator
Min standard notice:
Header: <scoped_allocator>
Obtains a reference to the outer allocator used to declare this class.
# Declarations
outer_allocator_type& outer_allocator() noexcept;
(since C++11)
const outer_allocator_type& outer_allocator() const noexcept;
(since C++11)
# Return value
A reference to OuterAlloc.