1//
2// Copyright © Microsoft Corporation
3//
4// Permission is hereby granted, free of charge, to any person obtaining a
5// copy of this software and associated documentation files (the "Software"),
6// to deal in the Software without restriction, including without limitation
7// the rights to use, copy, modify, merge, publish, distribute, sublicense,
8// and/or sell copies of the Software, and to permit persons to whom the
9// Software is furnished to do so, subject to the following conditions:
10//
11// The above copyright notice and this permission notice shall be included in
12// all copies or substantial portions of the Software.
13//
14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18// OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20// OTHER DEALINGS IN THE SOFTWARE.
21//
22
23#ifndef CLOVER_UTIL_COMPAT_HPP
24#define CLOVER_UTIL_COMPAT_HPP
25
26#include <type_traits>
27
28namespace clover {
29   template<typename F, typename... Args>
30   struct invoke_result {
31#if __cplusplus >= 201703L
32      typedef typename std::invoke_result<
33         F, Args...
34      >::type type;
35#else
36      typedef typename std::result_of<
37         F(Args...)
38      >::type type;
39#endif
40   };
41}
42
43#endif
44