| 38 | TokenRangeBase(T* front, T* back) : mFront(front), mBack(back) {} |
| 39 | |
| 40 | struct TokenIterator { |
| 41 | using iterator_category = std::forward_iterator_tag; |
| 42 | using value_type = T*; |
| 43 | using difference_type = std::ptrdiff_t; |
| 44 | using pointer = void; |
| 45 | using reference = T*; |
| 46 | |
| 47 | T* mt; |
| 48 | TokenIterator() : mt(nullptr) {} |
| 49 | explicit TokenIterator(T* t) : mt(t) {} |
| 50 | TokenIterator& operator++() { |
| 51 | mt = mt->next(); |
| 52 | return *this; |
| 53 | } |
| 54 | bool operator==(const TokenIterator& b) const { |
| 55 | return mt == b.mt; |
| 56 | } |
| 57 | bool operator!=(const TokenIterator& b) const { |
| 58 | return mt != b.mt; |
| 59 | } |
| 60 | T* operator*() const { |
| 61 | return mt; |
| 62 | } |
| 63 | }; |
| 64 | |
| 65 | TokenIterator begin() const { |
| 66 | return TokenIterator(mFront); |