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Simplify set_symetric_difference code

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This commit is contained in:
Ion Gaztañaga
2026-04-03 15:31:22 +02:00
parent e102644fde
commit 053adb2b22
1 changed files with 18 additions and 4 deletions
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include/boost/container/experimental/segmented_set_symmetric_difference.hpp
+18 -4
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@@ -43,14 +43,28 @@ struct set_symmetric_difference_default_less
};
template <class FwdIt, class InIter2, class Sent2, class OutIter, class Comp>
void set_symmetric_difference_scan(FwdIt first, FwdIt last, InIter2& first2, Sent2 last2, OutIter& result, Comp comp,
void set_symmetric_difference_scan(FwdIt first, FwdIt last, InIter2& first2_out, Sent2 last2, OutIter& result, Comp comp,
non_segmented_iterator_tag)
{
InIter2 first2 = first2_out; //Avoid aliasing issues
while(first != last && first2 != last2) {
if (comp(*first, *first2)) { *result = *first; ++first; ++result; }
else if (comp(*first2, *first)) { *result = *first2; ++first2; ++result; }
else { ++first; ++first2; }
if (comp(*first, *first2)) {
*result = *first;
++first;
++result;
}
else {
if (comp(*first2, *first)) {
*result = *first2;
++result;
}
else {
++first;
}
++first2;
}
}
first2_out = first2;
result = (segmented_copy)(first, last, result);
}