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92f5a8d4 | 1 | /* A very simple result type |
1e59de90 | 2 | (C) 2017-2022 Niall Douglas <http://www.nedproductions.biz/> (8 commits) |
92f5a8d4 TL |
3 | File Created: June 2017 |
4 | ||
5 | ||
6 | Boost Software License - Version 1.0 - August 17th, 2003 | |
7 | ||
8 | Permission is hereby granted, free of charge, to any person or organization | |
9 | obtaining a copy of the software and accompanying documentation covered by | |
10 | this license (the "Software") to use, reproduce, display, distribute, | |
11 | execute, and transmit the Software, and to prepare derivative works of the | |
12 | Software, and to permit third-parties to whom the Software is furnished to | |
13 | do so, all subject to the following: | |
14 | ||
15 | The copyright notices in the Software and this entire statement, including | |
16 | the above license grant, this restriction and the following disclaimer, | |
17 | must be included in all copies of the Software, in whole or in part, and | |
18 | all derivative works of the Software, unless such copies or derivative | |
19 | works are solely in the form of machine-executable object code generated by | |
20 | a source language processor. | |
21 | ||
22 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
23 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
24 | FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT | |
25 | SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE | |
26 | FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, | |
27 | ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
28 | DEALINGS IN THE SOFTWARE. | |
29 | */ | |
30 | ||
31 | #ifndef BOOST_OUTCOME_STD_RESULT_HPP | |
32 | #define BOOST_OUTCOME_STD_RESULT_HPP | |
33 | ||
34 | #include "basic_result.hpp" | |
35 | #include "detail/trait_std_error_code.hpp" | |
36 | #include "detail/trait_std_exception.hpp" | |
37 | ||
38 | #include "policy/fail_to_compile_observers.hpp" | |
39 | #include "policy/result_error_code_throw_as_system_error.hpp" | |
40 | #include "policy/result_exception_ptr_rethrow.hpp" | |
41 | #include "policy/throw_bad_result_access.hpp" | |
42 | ||
43 | BOOST_OUTCOME_V2_NAMESPACE_EXPORT_BEGIN | |
44 | ||
45 | /*! AWAITING HUGO JSON CONVERSION TOOL | |
46 | SIGNATURE NOT RECOGNISED | |
47 | */ | |
48 | namespace policy | |
49 | { | |
50 | /*! AWAITING HUGO JSON CONVERSION TOOL | |
51 | SIGNATURE NOT RECOGNISED | |
52 | */ | |
53 | template <class T, class EC, class E> | |
54 | using default_policy = std::conditional_t< // | |
55 | std::is_void<EC>::value && std::is_void<E>::value, | |
56 | terminate, // | |
57 | std::conditional_t< // | |
58 | trait::is_error_code_available<EC>::value, error_code_throw_as_system_error<T, EC, E>, // | |
59 | std::conditional_t< // | |
60 | trait::is_exception_ptr_available<EC>::value || trait::is_exception_ptr_available<E>::value, exception_ptr_rethrow<T, EC, E>, // | |
61 | fail_to_compile_observers // | |
62 | >>>; | |
63 | } // namespace policy | |
64 | ||
65 | /*! AWAITING HUGO JSON CONVERSION TOOL | |
66 | SIGNATURE NOT RECOGNISED | |
67 | */ | |
68 | template <class R, class S = std::error_code, class NoValuePolicy = policy::default_policy<R, S, void>> // | |
69 | using std_result = basic_result<R, S, NoValuePolicy>; | |
70 | ||
71 | /*! AWAITING HUGO JSON CONVERSION TOOL | |
72 | type alias template <class R, class S = std::error_code> std_unchecked. Potential doc page: `std_unchecked<T, E = std::error_code>` | |
73 | */ | |
74 | template <class R, class S = std::error_code> using std_unchecked = std_result<R, S, policy::all_narrow>; | |
75 | ||
76 | /*! AWAITING HUGO JSON CONVERSION TOOL | |
77 | type alias template <class R, class S = std::error_code> std_checked. Potential doc page: `std_checked<T, E = std::error_code>` | |
78 | */ | |
79 | template <class R, class S = std::error_code> using std_checked = std_result<R, S, policy::throw_bad_result_access<S, void>>; | |
80 | ||
81 | BOOST_OUTCOME_V2_NAMESPACE_END | |
82 | ||
83 | #endif |