1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <functional> 11 12 // class function<R(ArgTypes...)> 13 14 // template<class F> function(F); 15 16 // Allow incomplete argument types in the __is_callable check 17 18 #include <functional> 19 20 struct X{ 21 typedef std::function<void(X&)> callback_type; 22 virtual ~X() {} 23 private: 24 callback_type _cb; 25 }; 26 27 int main() 28 { 29 } 30