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 // pointer_to_binary_function 13 14 #include <functional> 15 #include <type_traits> 16 #include <cassert> 17 18 double binary_f(int i, short j) {return i - j + .75;} 19 20 int main() 21 { 22 typedef std::pointer_to_binary_function<int, short, double> F; 23 static_assert((std::is_base_of<std::binary_function<int, short, double>, F>::value), ""); 24 const F f(binary_f); 25 assert(f(36, 27) == 9.75); 26 } 27
