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 // template <CopyConstructible Arg1, CopyConstructible Arg2, Returnable Result>
13 // pointer_to_binary_function<Arg1,Arg2,Result>
14 // ptr_fun(Result (*f)(Arg1, Arg2));
15
16 #include <functional>
17 #include <type_traits>
18 #include <cassert>
19
binary_f(int i,short j)20 double binary_f(int i, short j) {return i - j + .75;}
21
main()22 int main()
23 {
24 assert(std::ptr_fun(binary_f)(36, 27) == 9.75);
25 }
26