| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <functional> |
| |
| // class function<R(ArgTypes...)> |
| |
| // R operator()(ArgTypes... args) const |
| |
| #include <functional> |
| #include <cassert> |
| |
| // 0 args, return int |
| |
| int count = 0; |
| |
| int f_int_0() |
| { |
| return 3; |
| } |
| |
| struct A_int_0 |
| { |
| int operator()() {return 4;} |
| }; |
| |
| void |
| test_int_0() |
| { |
| // function |
| { |
| std::function<int ()> r1(f_int_0); |
| assert(r1() == 3); |
| } |
| // function pointer |
| { |
| int (*fp)() = f_int_0; |
| std::function<int ()> r1(fp); |
| assert(r1() == 3); |
| } |
| // functor |
| { |
| A_int_0 a0; |
| std::function<int ()> r1(a0); |
| assert(r1() == 4); |
| } |
| } |
| |
| int main() |
| { |
| test_int_0(); |
| } |