Compilare: main.cpp: In constructor 'vizitat::proxy::proxy(size_t, std::vector<bool>&, int&)': main.cpp:23:24: warning: 'vizitat::proxy::index' will be initialized after [-Wreorder] 23 | size_t index; | ^~~~~ main.cpp:21:36: warning: 'std::vector<bool>& vizitat::proxy::v' [-Wreorder] 21 | std::vector<bool>& v; | ^ main.cpp:25:17: warning: when initialized here [-Wreorder] 25 | proxy(const size_t _index, std::vector<bool>& _v, int& _counter) : index(_index), v(_v), counter(_counter) {} | ^~~~~ main.cpp: In member function 'vizitat::operator bool() const': main.cpp:48:33: warning: comparison of integer expressions of different signedness: 'const int' and 'std::vector<bool>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 48 | return (counter == v.size()); | ~~~~~~~~^~~~~~~~~~~