2726   for (size_t l_i = 0; l_i < costs.size(); ++l_i) {  in CalculateOptimalEdits()  local
2727     costs[l_i][0] = static_cast<double>(l_i);  in CalculateOptimalEdits()
2728     best_move[l_i][0] = kRemove;  in CalculateOptimalEdits()
2736   for (size_t l_i = 0; l_i < left.size(); ++l_i) {  in CalculateOptimalEdits()  local
2738       if (left[l_i] == right[r_i]) {  in CalculateOptimalEdits()
2740         costs[l_i + 1][r_i + 1] = costs[l_i][r_i];  in CalculateOptimalEdits()
2741         best_move[l_i + 1][r_i + 1] = kMatch;  in CalculateOptimalEdits()
2745       const double add = costs[l_i + 1][r_i];  in CalculateOptimalEdits()
2746       const double remove = costs[l_i][r_i + 1];  in CalculateOptimalEdits()
2747       const double replace = costs[l_i][r_i];  in CalculateOptimalEdits()
2749         costs[l_i + 1][r_i + 1] = add + 1;  in CalculateOptimalEdits()
2750         best_move[l_i + 1][r_i + 1] = kAdd;  in CalculateOptimalEdits()
2752         costs[l_i + 1][r_i + 1] = remove + 1;  in CalculateOptimalEdits()
2753         best_move[l_i + 1][r_i + 1] = kRemove;  in CalculateOptimalEdits()
2757         costs[l_i + 1][r_i + 1] = replace + 1.00001;  in CalculateOptimalEdits()
2758         best_move[l_i + 1][r_i + 1] = kReplace;  in CalculateOptimalEdits()
2765   for (size_t l_i = left.size(), r_i = right.size(); l_i > 0 || r_i > 0;) {  in CalculateOptimalEdits()  local
2766     EditType move = best_move[l_i][r_i];  in CalculateOptimalEdits()
2768     l_i -= move != kAdd;  in CalculateOptimalEdits()
2898   size_t l_i = 0, r_i = 0, edit_i = 0;  in CreateUnifiedDiff()  local
2903       ++l_i;  in CreateUnifiedDiff()
2909     const size_t prefix_context = std::min(l_i, context);  in CreateUnifiedDiff()
2910     Hunk hunk(l_i - prefix_context + 1, r_i - prefix_context + 1);  in CreateUnifiedDiff()
2912       hunk.PushLine(' ', left[l_i - i].c_str());  in CreateUnifiedDiff()
2935         hunk.PushLine(edit == kMatch ? ' ' : '-', left[l_i].c_str());  in CreateUnifiedDiff()
2942       l_i += edit != kAdd;  in CreateUnifiedDiff()