Strange error, set<int>::begin() always returning const iterator
Why is set.begin() always returning a const iterator and not a standard one? 35 int test(){ 36 std::set<int> myset; 37 myset.insert(2); 38 myset.insert(3); 39 int &res = *myset.begin(); 40 return res; 41 } test.cpp:39: error: invalid initialization of reference of type ‘int&’ from expression of type ‘const int’ ...