| 3789 | return m_cache; |
| 3790 | } |
| 3791 | bool next() override { |
| 3792 | const auto success = m_generator.next(); |
| 3793 | if (success) { |
| 3794 | m_cache = m_function(m_generator.get()); |
| 3795 | } |
| 3796 | return success; |
| 3797 | } |
| 3798 | }; |
| 3799 | |
| 3800 | template <typename T, typename U, typename Func> |