1 // This file is part of Desktop App Toolkit,
2 // a set of libraries for developing nice desktop applications.
3 //
4 // For license and copyright information please follow this link:
5 // https://github.com/desktop-app/legal/blob/master/LEGAL
6 //
7 #pragma once
8
9 #include <rpl/details/callable.h>
10
11 namespace base {
12
13 template <typename Data, typename Method, typename ...Methods>
decltype(auto)14 inline decltype(auto) match_method(
15 Data &&data,
16 Method &&method,
17 Methods &&...methods) {
18 using namespace rpl::details;
19 if constexpr (is_callable_plain_v<Method, Data&&>) {
20 return std::forward<Method>(method)(std::forward<Data>(data));
21 } else {
22 return match_method(
23 std::forward<Data>(data),
24 std::forward<Methods>(methods)...);
25 }
26 }
27
28 template <
29 typename Data1,
30 typename Data2,
31 typename Method,
32 typename ...Methods>
decltype(auto)33 inline decltype(auto) match_method2(
34 Data1 &&data1,
35 Data2 &&data2,
36 Method &&method,
37 Methods &&...methods) {
38 using namespace rpl::details;
39 if constexpr (is_callable_plain_v<Method, Data1&&, Data2&&>) {
40 return std::forward<Method>(method)(
41 std::forward<Data1>(data1),
42 std::forward<Data2>(data2));
43 } else {
44 return match_method2(
45 std::forward<Data1>(data1),
46 std::forward<Data2>(data2),
47 std::forward<Methods>(methods)...);
48 }
49 }
50
51 } // namespace base
52