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Fixed implicit closure in sorting comparator #827

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Fixed implicit closure in sorting comparator #827

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8 changes: 5 additions & 3 deletions lib/utils/include/utils/containers.h
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Original file line number Diff line number Diff line change
Expand Up @@ -526,11 +526,13 @@ std::vector<T> sorted_by(std::unordered_set<T> const &s, F const &f) {

template <typename T, typename F>
void inplace_sorted_by(std::vector<T> &v, F const &f) {
struct {
struct custom_comparator {
F const f;
custom_comparator(F const &f) : f(f) {};
bool operator()(T const &lhs, T const &rhs) { return f(lhs, rhs); }
} custom_comparator;
};

std::sort(v.begin(), v.end(), custom_comparator);
std::sort(v.begin(), v.end(), custom_comparator(f));
}

template <typename C, typename F>
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