Type: true_type if
allocator_traits<A>::propagate_on_container_copy_assignment::value is
true for any A in the set of OuterAlloc and
InnerAllocs...; otherwise, false_type.
Type: true_type if
allocator_traits<A>::propagate_on_container_move_assignment::value is
true for any A in the set of OuterAlloc and
InnerAllocs...; otherwise, false_type.
Type: true_type if
allocator_traits<A>::propagate_on_container_swap::value is
true for any A in the set of OuterAlloc and
InnerAllocs...; otherwise, false_type.
Type: true_type if
allocator_traits<A>::is_always_equal::value is
true for every A in the set of OuterAlloc and
InnerAllocs...; otherwise, false_type.