Method operator=

src/include/cpp-btree/btree.h:1951–1964

template <typename P>
auto btree<P>::operator=(const btree &x) -> btree & {
  if (this != &x) {
    clear();

    *mutable_key_comp() = x.key_comp();
    if constexpr (std::allocator_traits<
                  allocator_type>::propagate_on_container_copy_assignment::value) {
      *mutable_allocator() = x.allocator();
    }

    copy_or_move_values_in_order(&x);
  }
  return *this;
}

template <typename P>
auto btree<P>::operator=(btree &&x) noexcept -> btree & {