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Added thirdparty: boost library
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Viacheslav Demydiuk
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/* Policies for result and outcome
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(C) 2017-2023 Niall Douglas <http://www.nedproductions.biz/> (6 commits) and Andrzej Krzemieński <akrzemi1@gmail.com> (1 commit)
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File Created: Oct 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_POLICY_BASE_HPP
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#define BOOST_OUTCOME_POLICY_BASE_HPP
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#include "../detail/value_storage.hpp"
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BOOST_OUTCOME_V2_NAMESPACE_EXPORT_BEGIN
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#if BOOST_OUTCOME_ENABLE_LEGACY_SUPPORT_FOR < 220
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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 hooks
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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 U> constexpr inline void hook_result_construction(T * /*unused*/, U && /*unused*/) noexcept {}
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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 U> constexpr inline void hook_result_copy_construction(T * /*unused*/, U && /*unused*/) noexcept {}
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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 U> constexpr inline void hook_result_move_construction(T * /*unused*/, U && /*unused*/) noexcept {}
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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 U, class... Args>
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constexpr inline void hook_result_in_place_construction(T * /*unused*/, in_place_type_t<U> /*unused*/, Args &&... /*unused*/) noexcept
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{
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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... U> constexpr inline void hook_outcome_construction(T * /*unused*/, U &&... /*unused*/) noexcept {}
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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 U> constexpr inline void hook_outcome_copy_construction(T * /*unused*/, U && /*unused*/) noexcept {}
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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 U> constexpr inline void hook_outcome_move_construction(T * /*unused*/, U && /*unused*/) noexcept {}
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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 U, class... Args>
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constexpr inline void hook_outcome_in_place_construction(T * /*unused*/, in_place_type_t<U> /*unused*/, Args &&... /*unused*/) noexcept
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{
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}
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} // namespace hooks
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#endif
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namespace policy
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{
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namespace detail
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{
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using BOOST_OUTCOME_V2_NAMESPACE::detail::make_ub;
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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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struct base
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{
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template <class... Args> static constexpr void _silence_unused(Args &&... /*unused*/) noexcept {}
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protected:
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template <class Impl> static constexpr void _make_ub(Impl &&self) noexcept { return detail::make_ub(static_cast<Impl &&>(self)); }
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template <class Impl> static constexpr bool _has_value(Impl &&self) noexcept { return self._state._status.have_value(); }
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template <class Impl> static constexpr bool _has_error(Impl &&self) noexcept { return self._state._status.have_error(); }
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template <class Impl> static constexpr bool _has_exception(Impl &&self) noexcept { return self._state._status.have_exception(); }
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template <class Impl> static constexpr bool _has_error_is_errno(Impl &&self) noexcept { return self._state._status.have_error_is_errno(); }
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template <class Impl> static constexpr void _set_has_value(Impl &&self, bool v) noexcept { self._state._status.set_have_value(v); }
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template <class Impl> static constexpr void _set_has_error(Impl &&self, bool v) noexcept { self._state._status.set_have_error(v); }
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template <class Impl> static constexpr void _set_has_exception(Impl &&self, bool v) noexcept { self._state._status.set_have_exception(v); }
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template <class Impl> static constexpr void _set_has_error_is_errno(Impl &&self, bool v) noexcept { self._state._status.set_have_error_is_errno(v); }
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template <class Impl> static constexpr auto &&_value(Impl &&self) noexcept { return static_cast<Impl &&>(self)._state._value; }
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template <class Impl> static constexpr auto &&_error(Impl &&self) noexcept { return static_cast<Impl &&>(self)._state._error; }
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public:
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template <class R, class S, class P, class NoValuePolicy, class Impl> static inline constexpr auto &&_exception(Impl &&self) noexcept;
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template <class T, class U> static constexpr inline void on_result_construction(T *inst, U &&v) noexcept
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{
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#if BOOST_OUTCOME_ENABLE_LEGACY_SUPPORT_FOR < 220
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using namespace hooks;
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hook_result_construction(inst, static_cast<U &&>(v));
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#else
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(void) inst;
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(void) v;
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#endif
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}
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template <class T, class U> static constexpr inline void on_result_copy_construction(T *inst, U &&v) noexcept
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{
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#if BOOST_OUTCOME_ENABLE_LEGACY_SUPPORT_FOR < 220
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using namespace hooks;
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hook_result_copy_construction(inst, static_cast<U &&>(v));
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#else
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(void) inst;
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(void) v;
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#endif
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}
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template <class T, class U> static constexpr inline void on_result_move_construction(T *inst, U &&v) noexcept
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{
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#if BOOST_OUTCOME_ENABLE_LEGACY_SUPPORT_FOR < 220
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using namespace hooks;
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hook_result_move_construction(inst, static_cast<U &&>(v));
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#else
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(void) inst;
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(void) v;
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#endif
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}
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template <class T, class U, class... Args>
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static constexpr inline void on_result_in_place_construction(T *inst, in_place_type_t<U> _, Args &&... args) noexcept
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{
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#if BOOST_OUTCOME_ENABLE_LEGACY_SUPPORT_FOR < 220
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using namespace hooks;
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hook_result_in_place_construction(inst, _, static_cast<Args &&>(args)...);
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#else
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(void) inst;
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(void) _;
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_silence_unused(static_cast<Args &&>(args)...);
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#endif
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}
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template <class T, class... U> static constexpr inline void on_outcome_construction(T *inst, U &&... args) noexcept
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{
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#if BOOST_OUTCOME_ENABLE_LEGACY_SUPPORT_FOR < 220
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using namespace hooks;
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hook_outcome_construction(inst, static_cast<U &&>(args)...);
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#else
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(void) inst;
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_silence_unused(static_cast<U &&>(args)...);
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#endif
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}
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template <class T, class U> static constexpr inline void on_outcome_copy_construction(T *inst, U &&v) noexcept
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{
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#if BOOST_OUTCOME_ENABLE_LEGACY_SUPPORT_FOR < 220
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using namespace hooks;
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hook_outcome_copy_construction(inst, static_cast<U &&>(v));
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#else
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(void) inst;
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(void) v;
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#endif
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}
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template <class T, class U> static constexpr inline void on_outcome_move_construction(T *inst, U &&v) noexcept
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{
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#if BOOST_OUTCOME_ENABLE_LEGACY_SUPPORT_FOR < 220
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using namespace hooks;
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hook_outcome_move_construction(inst, static_cast<U &&>(v));
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#else
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(void) inst;
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(void) v;
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#endif
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}
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template <class T, class U, class... Args>
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static constexpr inline void on_outcome_in_place_construction(T *inst, in_place_type_t<U> _, Args &&... args) noexcept
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{
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#if BOOST_OUTCOME_ENABLE_LEGACY_SUPPORT_FOR < 220
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using namespace hooks;
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hook_outcome_in_place_construction(inst, _, static_cast<Args &&>(args)...);
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#else
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(void) inst;
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(void) _;
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_silence_unused(static_cast<Args &&>(args)...);
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#endif
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}
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template <class Impl> static constexpr void narrow_value_check(Impl &&self) noexcept
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{
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if(!_has_value(self))
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{
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_make_ub(self);
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}
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}
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template <class Impl> static constexpr void narrow_error_check(Impl &&self) noexcept
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{
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if(!_has_error(self))
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{
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_make_ub(self);
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}
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}
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template <class Impl> static constexpr void narrow_exception_check(Impl &&self) noexcept
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{
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if(!_has_exception(self))
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{
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_make_ub(self);
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}
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}
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};
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} // namespace policy
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BOOST_OUTCOME_V2_NAMESPACE_END
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#endif
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