fixed_vector(const fixed_vector<value_type, OtherAlloc>& other, const allocator_type& alloc = allocator_type()) : holder_(other.size(), alloc) { std::copy(other.begin(), other.end(), std::back_inserter(*this)); }
fixed_vector(const fixed_vector& other) : holder_(other.size(), AllocTraits::select_on_container_copy_construction(other.get_allocator())) { std::copy(other.begin(), other.end(), std::back_inserter(*this)); }