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 20struct X{ 21 typedef std::function<void(X&)> callback_type; 22 virtual ~X() {} 23private: 24 callback_type _cb; 25}; 26 27int main() 28{ 29} 30