| 760 | } |
| 761 | |
| 762 | void reset(unsigned Idx) |
| 763 | { |
| 764 | if (Elements.empty()) |
| 765 | return; |
| 766 | |
| 767 | unsigned ElementIndex = Idx / ElementSize; |
| 768 | ElementListIter ElementIter = FindLowerBound(ElementIndex); |
| 769 | |
| 770 | // If we can't find an element that is supposed to contain this bit, there |
| 771 | // is nothing more to do. |
| 772 | if (ElementIter == Elements.end() || |
| 773 | ElementIter->index() != ElementIndex) |
| 774 | return; |
| 775 | ElementIter->reset(Idx % ElementSize); |
| 776 | |
| 777 | // When the element is zeroed out, delete it. |
| 778 | if (ElementIter->empty()) |
| 779 | { |
| 780 | ++CurrElementIter; |
| 781 | Elements.erase(ElementIter); |
| 782 | } |
| 783 | } |
| 784 | |
| 785 | void set(unsigned Idx) |
| 786 | { |