std::experimental::pmr::polymorphic_allocator<T>::operator=

From cppreference.com
polymorphic_allocator& operator= ( const polymorphic_allocator& rhs ) = default ;
(library fundamentals TS)

Copy assigns this polymorphic_allocator. Sets the memory resource pointer of *this to that of rhs

Parameters

rhs - another polymorphic_allocator to copy from

Return value

*this