import quincy beta 17.1.0

[ceph.git] / ceph / src / boost / boost / outcome / try.hpp

diff --git a/ceph/src/boost/boost/outcome/try.hpp b/ceph/src/boost/boost/outcome/try.hpp
index 555aa33b87eed894025b1b68657d045d4a5566f4..eda4ff29d5c0ef9fa7048c4e0432d3e77d4969d0 100644 (file)
--- a/ceph/src/boost/boost/outcome/try.hpp
+++ b/ceph/src/boost/boost/outcome/try.hpp
@@ -55,7 +55,11 @@ namespace detail
   struct value_overload
   {
   };
+  //#ifdef __APPLE__
+  //  BOOST_OUTCOME_TEMPLATE(class T, class R = decltype(std::declval<T>()._xcode_workaround_as_failure()))
+  //#else
   BOOST_OUTCOME_TEMPLATE(class T, class R = decltype(std::declval<T>().as_failure()))
+  //#endif
   BOOST_OUTCOME_TREQUIRES(BOOST_OUTCOME_TPRED(BOOST_OUTCOME_V2_NAMESPACE::is_failure_type<R>))
   constexpr inline bool has_as_failure(int /*unused */) { return true; }
   template <class T> constexpr inline bool has_as_failure(...) { return false; }
@@ -173,14 +177,14 @@ BOOST_OUTCOME_V2_NAMESPACE_END
     return BOOST_OUTCOME_V2_NAMESPACE::try_operation_return_as(static_cast<decltype(unique) &&>(unique))
 #define BOOST_OUTCOME_TRY2_SUCCESS_LIKELY(unique, v, ...)                                                                                                            \
   BOOST_OUTCOME_TRYV2_SUCCESS_LIKELY(unique, __VA_ARGS__);                                                                                                           \
-  auto &&v = BOOST_OUTCOME_V2_NAMESPACE::try_operation_extract_value(static_cast<decltype(unique) &&>(unique))
+  v = BOOST_OUTCOME_V2_NAMESPACE::try_operation_extract_value(static_cast<decltype(unique) &&>(unique))
 #define BOOST_OUTCOME_TRYV2_FAILURE_LIKELY(unique, ...)                                                                                                              \
   auto &&unique = (__VA_ARGS__);                                                                                                                               \
   if(BOOST_OUTCOME_TRY_LIKELY(!BOOST_OUTCOME_V2_NAMESPACE::try_operation_has_value(unique)))                                                                               \
   return BOOST_OUTCOME_V2_NAMESPACE::try_operation_return_as(static_cast<decltype(unique) &&>(unique))
 #define BOOST_OUTCOME_TRY2_FAILURE_LIKELY(unique, v, ...)                                                                                                            \
   BOOST_OUTCOME_TRYV2_FAILURE_LIKELY(unique, __VA_ARGS__);                                                                                                           \
-  auto &&v = BOOST_OUTCOME_V2_NAMESPACE::try_operation_extract_value(static_cast<decltype(unique) &&>(unique))
+  v = BOOST_OUTCOME_V2_NAMESPACE::try_operation_extract_value(static_cast<decltype(unique) &&>(unique))
 
 #define BOOST_OUTCOME_CO_TRYV2_SUCCESS_LIKELY(unique, ...)                                                                                                           \
   auto &&unique = (__VA_ARGS__);                                                                                                                               \
@@ -190,14 +194,14 @@ BOOST_OUTCOME_V2_NAMESPACE_END
     co_return BOOST_OUTCOME_V2_NAMESPACE::try_operation_return_as(static_cast<decltype(unique) &&>(unique))
 #define BOOST_OUTCOME_CO_TRY2_SUCCESS_LIKELY(unique, v, ...)                                                                                                         \
   BOOST_OUTCOME_CO_TRYV2_SUCCESS_LIKELY(unique, __VA_ARGS__);                                                                                                        \
-  auto &&v = BOOST_OUTCOME_V2_NAMESPACE::try_operation_extract_value(static_cast<decltype(unique) &&>(unique))
+  v = BOOST_OUTCOME_V2_NAMESPACE::try_operation_extract_value(static_cast<decltype(unique) &&>(unique))
 #define BOOST_OUTCOME_CO_TRYV2_FAILURE_LIKELY(unique, ...)                                                                                                           \
   auto &&unique = (__VA_ARGS__);                                                                                                                               \
   if(BOOST_OUTCOME_TRY_LIKELY(!BOOST_OUTCOME_V2_NAMESPACE::try_operation_has_value(unique)))                                                                               \
   co_return BOOST_OUTCOME_V2_NAMESPACE::try_operation_return_as(static_cast<decltype(unique) &&>(unique))
 #define BOOST_OUTCOME_CO_TRY2_FAILURE_LIKELY(unique, v, ...)                                                                                                         \
   BOOST_OUTCOME_CO_TRYV2_FAILURE_LIKELY(unique, __VA_ARGS__);                                                                                                        \
-  auto &&v = BOOST_OUTCOME_V2_NAMESPACE::try_operation_extract_value(static_cast<decltype(unique) &&>(unique))
+  v = BOOST_OUTCOME_V2_NAMESPACE::try_operation_extract_value(static_cast<decltype(unique) &&>(unique))
 
 /*! AWAITING HUGO JSON CONVERSION TOOL
 SIGNATURE NOT RECOGNISED
@@ -219,50 +223,44 @@ SIGNATURE NOT RECOGNISED
 
 #if defined(__GNUC__) || defined(__clang__)
 
-/*! AWAITING HUGO JSON CONVERSION TOOL
-SIGNATURE NOT RECOGNISED
-*/
-#define BOOST_OUTCOME_TRYX(...)                                                                                                                                      \
+#define BOOST_OUTCOME_TRYX2(unique, retstmt, ...)                                                                                                                    \
   ({                                                                                                                                                           \
-    auto &&res = (__VA_ARGS__);                                                                                                                                \
-    if(BOOST_OUTCOME_TRY_LIKELY(BOOST_OUTCOME_V2_NAMESPACE::try_operation_has_value(res)))                                                                                 \
+    auto &&unique = (__VA_ARGS__);                                                                                                                             \
+    if(BOOST_OUTCOME_TRY_LIKELY(BOOST_OUTCOME_V2_NAMESPACE::try_operation_has_value(unique)))                                                                              \
       ;                                                                                                                                                        \
     else                                                                                                                                                       \
-      return BOOST_OUTCOME_V2_NAMESPACE::try_operation_return_as(static_cast<decltype(res) &&>(res));                                                                \
-    BOOST_OUTCOME_V2_NAMESPACE::try_operation_extract_value(static_cast<decltype(res) &&>(res));                                                                     \
+      retstmt BOOST_OUTCOME_V2_NAMESPACE::try_operation_return_as(static_cast<decltype(unique) &&>(unique));                                                         \
+    BOOST_OUTCOME_V2_NAMESPACE::try_operation_extract_value(static_cast<decltype(unique) &&>(unique));                                                               \
   })
 
 /*! AWAITING HUGO JSON CONVERSION TOOL
 SIGNATURE NOT RECOGNISED
 */
-#define BOOST_OUTCOME_CO_TRYX(...)                                                                                                                                   \
-  ({                                                                                                                                                           \
-    auto &&res = (__VA_ARGS__);                                                                                                                                \
-    if(BOOST_OUTCOME_TRY_LIKELY(BOOST_OUTCOME_V2_NAMESPACE::try_operation_has_value(res)))                                                                                 \
-      ;                                                                                                                                                        \
-    else                                                                                                                                                       \
-      co_return BOOST_OUTCOME_V2_NAMESPACE::try_operation_return_as(static_cast<decltype(res) &&>(res));                                                             \
-    BOOST_OUTCOME_V2_NAMESPACE::try_operation_extract_value(static_cast<decltype(res) &&>(res));                                                                     \
-  })
+#define BOOST_OUTCOME_TRYX(...) BOOST_OUTCOME_TRYX2(BOOST_OUTCOME_TRY_UNIQUE_NAME, return, __VA_ARGS__)
+
+/*! AWAITING HUGO JSON CONVERSION TOOL
+SIGNATURE NOT RECOGNISED
+*/
+#define BOOST_OUTCOME_CO_TRYX(...) BOOST_OUTCOME_TRYX2(BOOST_OUTCOME_TRY_UNIQUE_NAME, co_return, __VA_ARGS__)
 #endif
 
 /*! AWAITING HUGO JSON CONVERSION TOOL
 SIGNATURE NOT RECOGNISED
 */
-#define BOOST_OUTCOME_TRYA(v, ...) BOOST_OUTCOME_TRY2_SUCCESS_LIKELY(BOOST_OUTCOME_TRY_UNIQUE_NAME, v, __VA_ARGS__)
+#define BOOST_OUTCOME_TRYA(v, ...) BOOST_OUTCOME_TRY2_SUCCESS_LIKELY(BOOST_OUTCOME_TRY_UNIQUE_NAME, auto &&v, __VA_ARGS__)
 /*! AWAITING HUGO JSON CONVERSION TOOL
 SIGNATURE NOT RECOGNISED
 */
-#define BOOST_OUTCOME_TRYA_FAILURE_LIKELY(v, ...) BOOST_OUTCOME_TRY2_FAILURE_LIKELY(BOOST_OUTCOME_TRY_UNIQUE_NAME, v, __VA_ARGS__)
+#define BOOST_OUTCOME_TRYA_FAILURE_LIKELY(v, ...) BOOST_OUTCOME_TRY2_FAILURE_LIKELY(BOOST_OUTCOME_TRY_UNIQUE_NAME, auto &&v, __VA_ARGS__)
 
 /*! AWAITING HUGO JSON CONVERSION TOOL
 SIGNATURE NOT RECOGNISED
 */
-#define BOOST_OUTCOME_CO_TRYA(v, ...) BOOST_OUTCOME_CO_TRY2_SUCCESS_LIKELY(BOOST_OUTCOME_TRY_UNIQUE_NAME, v, __VA_ARGS__)
+#define BOOST_OUTCOME_CO_TRYA(v, ...) BOOST_OUTCOME_CO_TRY2_SUCCESS_LIKELY(BOOST_OUTCOME_TRY_UNIQUE_NAME, auto &&v, __VA_ARGS__)
 /*! AWAITING HUGO JSON CONVERSION TOOL
 SIGNATURE NOT RECOGNISED
 */
-#define BOOST_OUTCOME_CO_TRYA_FAILURE_LIKELY(v, ...) BOOST_OUTCOME_CO_TRY2_FAILURE_LIKELY(BOOST_OUTCOME_TRY_UNIQUE_NAME, v, __VA_ARGS__)
+#define BOOST_OUTCOME_CO_TRYA_FAILURE_LIKELY(v, ...) BOOST_OUTCOME_CO_TRY2_FAILURE_LIKELY(BOOST_OUTCOME_TRY_UNIQUE_NAME, auto &&v, __VA_ARGS__)
 
 
 #define BOOST_OUTCOME_TRY_INVOKE_TRY8(a, b, c, d, e, f, g, h) BOOST_OUTCOME_TRYA(a, b, c, d, e, f, g, h)