add boost on mac

macx64/include/boost/outcome/policy/base.hpp

@@ -0,0 +1,107 @@
+/* Policies for result and outcome
+(C) 2017-2019 Niall Douglas <http://www.nedproductions.biz/> (59 commits)
+File Created: Oct 2017
+
+
+Boost Software License - Version 1.0 - August 17th, 2003
+
+Permission is hereby granted, free of charge, to any person or organization
+obtaining a copy of the software and accompanying documentation covered by
+this license (the "Software") to use, reproduce, display, distribute,
+execute, and transmit the Software, and to prepare derivative works of the
+Software, and to permit third-parties to whom the Software is furnished to
+do so, all subject to the following:
+
+The copyright notices in the Software and this entire statement, including
+the above license grant, this restriction and the following disclaimer,
+must be included in all copies of the Software, in whole or in part, and
+all derivative works of the Software, unless such copies or derivative
+works are solely in the form of machine-executable object code generated by
+a source language processor.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef BOOST_OUTCOME_POLICY_BASE_HPP
+#define BOOST_OUTCOME_POLICY_BASE_HPP
+
+#include "../config.hpp"
+
+#include <cassert>
+
+BOOST_OUTCOME_V2_NAMESPACE_EXPORT_BEGIN
+
+namespace policy
+{
+  /*! AWAITING HUGO JSON CONVERSION TOOL 
+SIGNATURE NOT RECOGNISED
+*/
+  struct base
+  {
+  protected:
+    template <class Impl>
+    static constexpr
+#ifdef _MSC_VER
+    __declspec(noreturn)
+#elif defined(__GNUC__) || defined(__clang__)
+        __attribute__((noreturn))
+#endif
+    void _ub(Impl && /*unused*/)
+    {
+      assert(false);  // NOLINT
+#if defined(__GNUC__) || defined(__clang__)
+      __builtin_unreachable();
+#elif defined(_MSC_VER)
+      __assume(0);
+#endif
+    }
+
+    template <class Impl> static constexpr bool _has_value(Impl &&self) noexcept { return (self._state._status & BOOST_OUTCOME_V2_NAMESPACE::detail::status_have_value) != 0; }
+    template <class Impl> static constexpr bool _has_error(Impl &&self) noexcept { return (self._state._status & BOOST_OUTCOME_V2_NAMESPACE::detail::status_have_error) != 0; }
+    template <class Impl> static constexpr bool _has_exception(Impl &&self) noexcept { return (self._state._status & BOOST_OUTCOME_V2_NAMESPACE::detail::status_have_exception) != 0; }
+    template <class Impl> static constexpr bool _has_error_is_errno(Impl &&self) noexcept { return (self._state._status & BOOST_OUTCOME_V2_NAMESPACE::detail::status_error_is_errno) != 0; }
+
+    template <class Impl> static constexpr void _set_has_value(Impl &&self, bool v) noexcept { v ? self._state._status |= BOOST_OUTCOME_V2_NAMESPACE::detail::status_have_value : self._state._status &= ~BOOST_OUTCOME_V2_NAMESPACE::detail::status_have_value; }
+    template <class Impl> static constexpr void _set_has_error(Impl &&self, bool v) noexcept { v ? self._state._status |= BOOST_OUTCOME_V2_NAMESPACE::detail::status_have_error : self._state._status &= ~BOOST_OUTCOME_V2_NAMESPACE::detail::status_have_error; }
+    template <class Impl> static constexpr void _set_has_exception(Impl &&self, bool v) noexcept { v ? self._state._status |= BOOST_OUTCOME_V2_NAMESPACE::detail::status_have_exception : self._state._status &= ~BOOST_OUTCOME_V2_NAMESPACE::detail::status_have_exception; }
+    template <class Impl> static constexpr void _set_has_error_is_errno(Impl &&self, bool v) noexcept { v ? self._state._status |= BOOST_OUTCOME_V2_NAMESPACE::detail::status_error_is_errno : self._state._status &= ~BOOST_OUTCOME_V2_NAMESPACE::detail::status_error_is_errno; }
+
+    template <class Impl> static constexpr auto &&_value(Impl &&self) noexcept { return static_cast<Impl &&>(self)._state._value; }
+    template <class Impl> static constexpr auto &&_error(Impl &&self) noexcept { return static_cast<Impl &&>(self)._error; }
+
+  public:
+    template <class R, class S, class P, class NoValuePolicy, class Impl> static inline constexpr auto &&_exception(Impl &&self) noexcept;
+
+    template <class Impl> static constexpr void narrow_value_check(Impl &&self) noexcept
+    {
+      if(!_has_value(self))
+      {
+        _ub(self);
+      }
+    }
+    template <class Impl> static constexpr void narrow_error_check(Impl &&self) noexcept
+    {
+      if(!_has_error(self))
+      {
+        _ub(self);
+      }
+    }
+    template <class Impl> static constexpr void narrow_exception_check(Impl &&self) noexcept
+    {
+      if(!_has_exception(self))
+      {
+        _ub(self);
+      }
+    }
+  };
+}  // namespace policy
+
+BOOST_OUTCOME_V2_NAMESPACE_END
+
+#endif