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AK: Ensure dual_pivot_quick_sort does not copy the pivots

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Also add a test that would fail to compile if quick_sort tries to copy
anything :P
This commit is contained in:
AnotherTest 2020-12-10 06:42:11 +03:30 • committed by Andreas Kling
parent 5b104eedaf
commit ec4980e875
2 changed files with 60 additions and 2 deletions
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4
AK/QuickSort.h
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@ -51,8 +51,8 @@ void dual_pivot_quick_sort(Collection& col, int start, int end, LessThan less_th
int k = start + 1;
int g = end - 1;
auto left_pivot = col[start];
auto right_pivot = col[end];
auto&& left_pivot = col[start];
auto&& right_pivot = col[end];
while (k <= g) {
if (less_than(col[k], left_pivot)) {