84 lines
3.8 KiB
C++
84 lines
3.8 KiB
C++
/* A very simple result type
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(C) 2017-2022 Niall Douglas <http://www.nedproductions.biz/> (8 commits)
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File Created: June 2017
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Boost Software License - Version 1.0 - August 17th, 2003
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Permission is hereby granted, free of charge, to any person or organization
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obtaining a copy of the software and accompanying documentation covered by
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this license (the "Software") to use, reproduce, display, distribute,
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execute, and transmit the Software, and to prepare derivative works of the
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Software, and to permit third-parties to whom the Software is furnished to
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do so, all subject to the following:
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The copyright notices in the Software and this entire statement, including
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the above license grant, this restriction and the following disclaimer,
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must be included in all copies of the Software, in whole or in part, and
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all derivative works of the Software, unless such copies or derivative
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works are solely in the form of machine-executable object code generated by
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a source language processor.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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*/
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#ifndef BOOST_OUTCOME_STD_RESULT_HPP
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#define BOOST_OUTCOME_STD_RESULT_HPP
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#include "basic_result.hpp"
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#include "detail/trait_std_error_code.hpp"
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#include "detail/trait_std_exception.hpp"
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#include "policy/fail_to_compile_observers.hpp"
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#include "policy/result_error_code_throw_as_system_error.hpp"
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#include "policy/result_exception_ptr_rethrow.hpp"
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#include "policy/throw_bad_result_access.hpp"
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BOOST_OUTCOME_V2_NAMESPACE_EXPORT_BEGIN
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/*! AWAITING HUGO JSON CONVERSION TOOL
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SIGNATURE NOT RECOGNISED
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*/
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namespace policy
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{
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/*! AWAITING HUGO JSON CONVERSION TOOL
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SIGNATURE NOT RECOGNISED
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*/
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template <class T, class EC, class E>
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using default_policy = std::conditional_t< //
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std::is_void<EC>::value && std::is_void<E>::value,
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terminate, //
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std::conditional_t< //
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trait::is_error_code_available<EC>::value, error_code_throw_as_system_error<T, EC, E>, //
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std::conditional_t< //
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trait::is_exception_ptr_available<EC>::value || trait::is_exception_ptr_available<E>::value, exception_ptr_rethrow<T, EC, E>, //
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fail_to_compile_observers //
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>>>;
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} // namespace policy
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/*! AWAITING HUGO JSON CONVERSION TOOL
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SIGNATURE NOT RECOGNISED
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*/
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template <class R, class S = std::error_code, class NoValuePolicy = policy::default_policy<R, S, void>> //
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using std_result = basic_result<R, S, NoValuePolicy>;
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/*! AWAITING HUGO JSON CONVERSION TOOL
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type alias template <class R, class S = std::error_code> std_unchecked. Potential doc page: `std_unchecked<T, E = std::error_code>`
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*/
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template <class R, class S = std::error_code> using std_unchecked = std_result<R, S, policy::all_narrow>;
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/*! AWAITING HUGO JSON CONVERSION TOOL
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type alias template <class R, class S = std::error_code> std_checked. Potential doc page: `std_checked<T, E = std::error_code>`
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*/
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template <class R, class S = std::error_code> using std_checked = std_result<R, S, policy::throw_bad_result_access<S, void>>;
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BOOST_OUTCOME_V2_NAMESPACE_END
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#endif
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