42 struct stable_test {  struct
46     stable_test(uint8_t k) : key(k), payload(0) {}  in stable_test()  argument
47     stable_test(uint8_t k, size_t p) : key(k), payload(p) {}  in stable_test()  function
50 void swap(stable_test &lhs, stable_test &rhs)  in swap()
59     bool operator () (const stable_test &lhs, const stable_test &rhs) const  in operator ()()
67     bool operator () (const stable_test &lhs, const stable_test &rhs) const  in operator ()()
75     bool operator () (const stable_test &lhs, const stable_test &rhs) const  in operator ()()
81 bool operator==(const stable_test &lhs, const stable_test &rhs)  in operator ==()
98 struct is_even<stable_test>
100     bool operator () (const stable_test &t) const  in operator ()()
107 typedef std::vector<stable_test> StableVec;
180         input.push_back(stable_test(data[i], i));  in stable_sort()
252         input.push_back(stable_test(data[i], i));  in stable_partition()
254     auto iter = std::stable_partition(working.begin(), working.end(), is_even<stable_test>());  in stable_partition()
256     if (!std::all_of (working.begin(), iter, is_even<stable_test>())) return 1;  in stable_partition()
257     if (!std::none_of(iter,   working.end(), is_even<stable_test>())) return 2;  in stable_partition()