std::pmr::polymorphic_allocator<T>::select_on_container_copy_construction

Since C++17

polymorphic_allocator select_on_container_copy_construction() const;

Returns a default-constructed polymorphic_allocator object.

Parameters

(none)

Return Value

A default-constructed polymorphic_allocator object.

Notes

polymorphic_allocators do not propagate on container copy construction.