59 lines · cpp
1// RUN: %check_clang_tidy -std=c++14-or-later %s modernize-avoid-bind %t -- \2// RUN: -config="{CheckOptions: { \3// RUN: modernize-avoid-bind.PermissiveParameterList: true}}" --4 5namespace std {6inline namespace impl {7template <class Fp, class... Arguments>8class bind_rt {};9 10template <class Fp, class... Arguments>11bind_rt<Fp, Arguments...> bind(Fp &&, Arguments &&...);12} // namespace impl13 14template <typename T>15T ref(T &t);16} // namespace std17 18int add(int x, int y) { return x + y; }19 20// Let's fake a minimal std::function-like facility.21namespace std {22template <typename _Tp>23_Tp declval();24 25template <typename _Functor, typename... _ArgTypes>26struct __res {27 template <typename... _Args>28 static decltype(declval<_Functor>()(_Args()...)) _S_test(int);29 30 template <typename...>31 static void _S_test(...);32 33 using type = decltype(_S_test<_ArgTypes...>(0));34};35 36template <typename>37struct function;38 39template <typename... _ArgTypes>40struct function<void(_ArgTypes...)> {41 template <typename _Functor,42 typename = typename __res<_Functor, _ArgTypes...>::type>43 function(_Functor) {}44};45} // namespace std46 47struct placeholder {};48placeholder _1;49 50void testLiteralParameters() {51 auto AAA = std::bind(add, 2, 2);52 // CHECK-MESSAGES: :[[@LINE-1]]:14: warning: prefer a lambda to std::bind [modernize-avoid-bind]53 // CHECK-FIXES: auto AAA = [](auto && ...) { return add(2, 2); };54 55 auto BBB = std::bind(add, _1, 2);56 // CHECK-MESSAGES: :[[@LINE-1]]:14: warning: prefer a lambda to std::bind [modernize-avoid-bind]57 // CHECK-FIXES: auto BBB = [](auto && PH1, auto && ...) { return add(std::forward<decltype(PH1)>(PH1), 2); };58}59