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 Fn, CopyConstructible... Types>
13 // unspecified bind(Fn, Types...);
14 // template<Returnable R, CopyConstructible Fn, CopyConstructible... Types>
15 // unspecified bind(Fn, Types...);
16
17 // http://llvm.org/bugs/show_bug.cgi?id=16385
18
19 #include <functional>
20 #include <cmath>
21 #include <cassert>
22
_pow(float a,float b)23 float _pow(float a, float b)
24 {
25 return std::pow(a, b);
26 }
27
main()28 int main()
29 {
30 std::function<float(float, float)> fnc = _pow;
31 auto task = std::bind(fnc, 2.f, 4.f);
32 auto task2(task);
33 assert(task() == 16);
34 assert(task2() == 16);
35 }
36