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1 | /* |
2 | * Copyright (c) 2023 Philippe Proulx <pproulx@efficios.com> | |
3 | * | |
4 | * SPDX-License-Identifier: MIT | |
5 | */ | |
6 | ||
7 | #ifndef BABELTRACE_CPP_COMMON_BT2S_OPTIONAL_HPP | |
8 | #define BABELTRACE_CPP_COMMON_BT2S_OPTIONAL_HPP | |
9 | ||
10 | #include "cpp-common/vendor/optional-lite/optional.hpp" | |
11 | ||
12 | namespace bt2s { | |
13 | ||
14 | template <typename T> | |
15 | using optional = nonstd::optional<T>; | |
16 | ||
17 | using nullopt_t = nonstd::nullopt_t; | |
18 | using bad_optional_access = nonstd::bad_optional_access; | |
19 | constexpr nullopt_t nullopt {nonstd::nullopt}; | |
20 | ||
21 | template <typename T> | |
22 | constexpr optional<typename std::decay<T>::type> make_optional(T&& value) | |
23 | { | |
24 | return nonstd::make_optional(std::forward<T>(value)); | |
25 | } | |
26 | ||
27 | template <typename T, typename... ArgTs> | |
28 | constexpr optional<T> make_optional(ArgTs&&...args) | |
29 | { | |
30 | return nonstd::make_optional<T>(std::forward<ArgTs>(args)...); | |
31 | } | |
32 | ||
33 | using in_place_t = nonstd::in_place_t; | |
34 | ||
35 | template <typename T> | |
36 | inline in_place_t in_place() | |
37 | { | |
38 | return nonstd::in_place<T>(); | |
39 | } | |
40 | ||
41 | template <std::size_t K> | |
42 | inline in_place_t in_place() | |
43 | { | |
44 | return nonstd::in_place<K>(); | |
45 | } | |
46 | ||
47 | template <typename T> | |
48 | inline in_place_t in_place_type() | |
49 | { | |
50 | return nonstd::in_place_type<T>(); | |
51 | } | |
52 | ||
53 | template <std::size_t K> | |
54 | inline in_place_t in_place_index() | |
55 | { | |
56 | return nonstd::in_place_index<K>(); | |
57 | } | |
58 | ||
59 | } /* namespace bt2s */ | |
60 | ||
61 | #endif /* BABELTRACE_CPP_COMMON_BT2S_OPTIONAL_HPP */ |