};
BOOST_OUTCOME_TEMPLATE(class T, class R = decltype(std::declval<T>().as_failure()))
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; }
+ constexpr inline bool has_as_failure(int /*unused */) { return true; }
+ template <class T> constexpr inline bool has_as_failure(...) { return false; }
BOOST_OUTCOME_TEMPLATE(class T)
BOOST_OUTCOME_TREQUIRES(BOOST_OUTCOME_TEXPR(std::declval<T>().assume_error()))
- constexpr inline bool has_assume_error(int/*unused */) { return true; }
- template<class T> constexpr inline bool has_assume_error(...) { return false; }
+ constexpr inline bool has_assume_error(int /*unused */) { return true; }
+ template <class T> constexpr inline bool has_assume_error(...) { return false; }
BOOST_OUTCOME_TEMPLATE(class T)
BOOST_OUTCOME_TREQUIRES(BOOST_OUTCOME_TEXPR(std::declval<T>().error()))
- constexpr inline bool has_error(int/*unused */) { return true; }
- template<class T> constexpr inline bool has_error(...) { return false; }
+ constexpr inline bool has_error(int /*unused */) { return true; }
+ template <class T> constexpr inline bool has_error(...) { return false; }
BOOST_OUTCOME_TEMPLATE(class T)
BOOST_OUTCOME_TREQUIRES(BOOST_OUTCOME_TEXPR(std::declval<T>().assume_value()))
- constexpr inline bool has_assume_value(int/*unused */) { return true; }
- template<class T> constexpr inline bool has_assume_value(...) { return false; }
+ constexpr inline bool has_assume_value(int /*unused */) { return true; }
+ template <class T> constexpr inline bool has_assume_value(...) { return false; }
BOOST_OUTCOME_TEMPLATE(class T)
BOOST_OUTCOME_TREQUIRES(BOOST_OUTCOME_TEXPR(std::declval<T>().value()))
- constexpr inline bool has_value(int/*unused */) { return true; }
- template<class T> constexpr inline bool has_value(...) { return false; }
+ constexpr inline bool has_value(int /*unused */) { return true; }
+ template <class T> constexpr inline bool has_value(...) { return false; }
} // namespace detail
/*! AWAITING HUGO JSON CONVERSION TOOL
BOOST_OUTCOME_V2_NAMESPACE_END
+#if !defined(__clang__) && defined(__GNUC__) && __GNUC__ >= 8
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wparentheses"
+#endif
+
+
#define BOOST_OUTCOME_TRY_GLUE2(x, y) x##y
#define BOOST_OUTCOME_TRY_GLUE(x, y) BOOST_OUTCOME_TRY_GLUE2(x, y)
#define BOOST_OUTCOME_TRY_UNIQUE_NAME BOOST_OUTCOME_TRY_GLUE(_outcome_try_unique_name_temporary, __COUNTER__)
#define BOOST_OUTCOME_TRY_OVERLOAD_GLUE(x, y) x y
#define BOOST_OUTCOME_TRY_CALL_OVERLOAD(name, ...) BOOST_OUTCOME_TRY_OVERLOAD_GLUE(BOOST_OUTCOME_TRY_OVERLOAD_MACRO(name, BOOST_OUTCOME_TRY_COUNT_ARGS_MAX8(__VA_ARGS__)), (__VA_ARGS__))
-#if !defined(__clang__) && defined(__GNUC__) && __GNUC__ >= 8
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wparentheses"
+#ifndef BOOST_OUTCOME_TRY_LIKELY
+#if defined(__clang__) || defined(__GNUC__)
+#define BOOST_OUTCOME_TRY_LIKELY(expr) (__builtin_expect(!!(expr), true))
+#else
+#define BOOST_OUTCOME_TRY_LIKELY(expr) (expr)
+#endif
#endif
-#define BOOST_OUTCOME_TRYV2(unique, ...) \
- auto && (unique) = (__VA_ARGS__); \
- if(!BOOST_OUTCOME_V2_NAMESPACE::try_operation_has_value(unique)) \
+// Use if(!expr); else as some compilers assume else clauses are always unlikely
+#define BOOST_OUTCOME_TRYV2_SUCCESS_LIKELY(unique, ...) \
+ 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(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))
+#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(unique, v, ...) \
- BOOST_OUTCOME_TRYV2(unique, __VA_ARGS__); \
- auto && (v) = BOOST_OUTCOME_V2_NAMESPACE::try_operation_extract_value(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))
-#if !defined(__clang__) && defined(__GNUC__) && __GNUC__ >= 8
-#pragma GCC diagnostic pop
-#endif
+#define BOOST_OUTCOME_CO_TRYV2_SUCCESS_LIKELY(unique, ...) \
+ auto &&unique = (__VA_ARGS__); \
+ if(BOOST_OUTCOME_TRY_LIKELY(BOOST_OUTCOME_V2_NAMESPACE::try_operation_has_value(unique))) \
+ ; \
+ else \
+ 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))
+#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))
+
+/*! AWAITING HUGO JSON CONVERSION TOOL
+SIGNATURE NOT RECOGNISED
+*/
+#define BOOST_OUTCOME_TRYV(...) BOOST_OUTCOME_TRYV2_SUCCESS_LIKELY(BOOST_OUTCOME_TRY_UNIQUE_NAME, __VA_ARGS__)
+/*! AWAITING HUGO JSON CONVERSION TOOL
+SIGNATURE NOT RECOGNISED
+*/
+#define BOOST_OUTCOME_TRYV_FAILURE_LIKELY(...) BOOST_OUTCOME_TRYV2_FAILURE_LIKELY(BOOST_OUTCOME_TRY_UNIQUE_NAME, __VA_ARGS__)
/*! AWAITING HUGO JSON CONVERSION TOOL
SIGNATURE NOT RECOGNISED
*/
-#define BOOST_OUTCOME_TRYV(...) BOOST_OUTCOME_TRYV2(BOOST_OUTCOME_TRY_UNIQUE_NAME, __VA_ARGS__)
+#define BOOST_OUTCOME_CO_TRYV(...) BOOST_OUTCOME_CO_TRYV2_SUCCESS_LIKELY(BOOST_OUTCOME_TRY_UNIQUE_NAME, __VA_ARGS__)
+/*! AWAITING HUGO JSON CONVERSION TOOL
+SIGNATURE NOT RECOGNISED
+*/
+#define BOOST_OUTCOME_CO_TRYV_FAILURE_LIKELY(...) BOOST_OUTCOME_CO_TRYV2_FAILURE_LIKELY(BOOST_OUTCOME_TRY_UNIQUE_NAME, __VA_ARGS__)
#if defined(__GNUC__) || defined(__clang__)
#define BOOST_OUTCOME_TRYX(...) \
({ \
auto &&res = (__VA_ARGS__); \
- if(!BOOST_OUTCOME_V2_NAMESPACE::try_operation_has_value(res)) \
+ if(BOOST_OUTCOME_TRY_LIKELY(BOOST_OUTCOME_V2_NAMESPACE::try_operation_has_value(res))) \
+ ; \
+ 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)); \
})
+
+/*! 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)); \
+ })
#endif
/*! AWAITING HUGO JSON CONVERSION TOOL
SIGNATURE NOT RECOGNISED
*/
-#define BOOST_OUTCOME_TRYA(v, ...) BOOST_OUTCOME_TRY2(BOOST_OUTCOME_TRY_UNIQUE_NAME, v, __VA_ARGS__)
+#define BOOST_OUTCOME_TRYA(v, ...) BOOST_OUTCOME_TRY2_SUCCESS_LIKELY(BOOST_OUTCOME_TRY_UNIQUE_NAME, 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__)
+
+/*! 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__)
+/*! 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_TRY_INVOKE_TRY8(a, b, c, d, e, f, g, h) BOOST_OUTCOME_TRYA(a, b, c, d, e, f, g, h)
#define BOOST_OUTCOME_TRY_INVOKE_TRY7(a, b, c, d, e, f, g) BOOST_OUTCOME_TRYA(a, b, c, d, e, f, g)
#define BOOST_OUTCOME_TRY_INVOKE_TRY3(a, b, c) BOOST_OUTCOME_TRYA(a, b, c)
#define BOOST_OUTCOME_TRY_INVOKE_TRY2(a, b) BOOST_OUTCOME_TRYA(a, b)
#define BOOST_OUTCOME_TRY_INVOKE_TRY1(a) BOOST_OUTCOME_TRYV(a)
+
+/*! AWAITING HUGO JSON CONVERSION TOOL
+SIGNATURE NOT RECOGNISED
+*/
+#define BOOST_OUTCOME_TRY(...) BOOST_OUTCOME_TRY_CALL_OVERLOAD(BOOST_OUTCOME_TRY_INVOKE_TRY, __VA_ARGS__)
+
+#define BOOST_OUTCOME_TRY_FAILURE_LIKELY_INVOKE_TRY8(a, b, c, d, e, f, g, h) BOOST_OUTCOME_TRYA_FAILURE_LIKELY(a, b, c, d, e, f, g, h)
+#define BOOST_OUTCOME_TRY_FAILURE_LIKELY_INVOKE_TRY7(a, b, c, d, e, f, g) BOOST_OUTCOME_TRYA_FAILURE_LIKELY(a, b, c, d, e, f, g)
+#define BOOST_OUTCOME_TRY_FAILURE_LIKELY_INVOKE_TRY6(a, b, c, d, e, f) BOOST_OUTCOME_TRYA_FAILURE_LIKELY(a, b, c, d, e, f)
+#define BOOST_OUTCOME_TRY_FAILURE_LIKELY_INVOKE_TRY5(a, b, c, d, e) BOOST_OUTCOME_TRYA_FAILURE_LIKELY(a, b, c, d, e)
+#define BOOST_OUTCOME_TRY_FAILURE_LIKELY_INVOKE_TRY4(a, b, c, d) BOOST_OUTCOME_TRYA_FAILURE_LIKELY(a, b, c, d)
+#define BOOST_OUTCOME_TRY_FAILURE_LIKELY_INVOKE_TRY3(a, b, c) BOOST_OUTCOME_TRYA_FAILURE_LIKELY(a, b, c)
+#define BOOST_OUTCOME_TRY_FAILURE_LIKELY_INVOKE_TRY2(a, b) BOOST_OUTCOME_TRYA_FAILURE_LIKELY(a, b)
+#define BOOST_OUTCOME_TRY_FAILURE_LIKELY_INVOKE_TRY1(a) BOOST_OUTCOME_TRYV_FAILURE_LIKELY(a)
+/*! AWAITING HUGO JSON CONVERSION TOOL
+SIGNATURE NOT RECOGNISED
+*/
+#define BOOST_OUTCOME_TRY_FAILURE_LIKELY(...) BOOST_OUTCOME_TRY_CALL_OVERLOAD(BOOST_OUTCOME_TRY_FAILURE_LIKELY_INVOKE_TRY, __VA_ARGS__)
+
+#define BOOST_OUTCOME_CO_TRY_INVOKE_TRY8(a, b, c, d, e, f, g, h) BOOST_OUTCOME_CO_TRYA(a, b, c, d, e, f, g, h)
+#define BOOST_OUTCOME_CO_TRY_INVOKE_TRY7(a, b, c, d, e, f, g) BOOST_OUTCOME_CO_TRYA(a, b, c, d, e, f, g)
+#define BOOST_OUTCOME_CO_TRY_INVOKE_TRY6(a, b, c, d, e, f) BOOST_OUTCOME_CO_TRYA(a, b, c, d, e, f)
+#define BOOST_OUTCOME_CO_TRY_INVOKE_TRY5(a, b, c, d, e) BOOST_OUTCOME_CO_TRYA(a, b, c, d, e)
+#define BOOST_OUTCOME_CO_TRY_INVOKE_TRY4(a, b, c, d) BOOST_OUTCOME_CO_TRYA(a, b, c, d)
+#define BOOST_OUTCOME_CO_TRY_INVOKE_TRY3(a, b, c) BOOST_OUTCOME_CO_TRYA(a, b, c)
+#define BOOST_OUTCOME_CO_TRY_INVOKE_TRY2(a, b) BOOST_OUTCOME_CO_TRYA(a, b)
+#define BOOST_OUTCOME_CO_TRY_INVOKE_TRY1(a) BOOST_OUTCOME_CO_TRYV(a)
+/*! AWAITING HUGO JSON CONVERSION TOOL
+SIGNATURE NOT RECOGNISED
+*/
+#define BOOST_OUTCOME_CO_TRY(...) BOOST_OUTCOME_TRY_CALL_OVERLOAD(BOOST_OUTCOME_CO_TRY_INVOKE_TRY, __VA_ARGS__)
+
/*! AWAITING HUGO JSON CONVERSION TOOL
SIGNATURE NOT RECOGNISED
*/
#define BOOST_OUTCOME_TRY(...) BOOST_OUTCOME_TRY_CALL_OVERLOAD(BOOST_OUTCOME_TRY_INVOKE_TRY, __VA_ARGS__)
+#define BOOST_OUTCOME_CO_TRY_FAILURE_LIKELY_INVOKE_TRY8(a, b, c, d, e, f, g, h) BOOST_OUTCOME_CO_TRYA_FAILURE_LIKELY(a, b, c, d, e, f, g, h)
+#define BOOST_OUTCOME_CO_TRY_FAILURE_LIKELY_INVOKE_TRY7(a, b, c, d, e, f, g) BOOST_OUTCOME_CO_TRYA_FAILURE_LIKELY(a, b, c, d, e, f, g)
+#define BOOST_OUTCOME_CO_TRY_FAILURE_LIKELY_INVOKE_TRY6(a, b, c, d, e, f) BOOST_OUTCOME_CO_TRYA_FAILURE_LIKELY(a, b, c, d, e, f)
+#define BOOST_OUTCOME_CO_TRY_FAILURE_LIKELY_INVOKE_TRY5(a, b, c, d, e) BOOST_OUTCOME_CO_TRYA_FAILURE_LIKELY(a, b, c, d, e)
+#define BOOST_OUTCOME_CO_TRY_FAILURE_LIKELY_INVOKE_TRY4(a, b, c, d) BOOST_OUTCOME_CO_TRYA_FAILURE_LIKELY(a, b, c, d)
+#define BOOST_OUTCOME_CO_TRY_FAILURE_LIKELY_INVOKE_TRY3(a, b, c) BOOST_OUTCOME_CO_TRYA_FAILURE_LIKELY(a, b, c)
+#define BOOST_OUTCOME_CO_TRY_FAILURE_LIKELY_INVOKE_TRY2(a, b) BOOST_OUTCOME_CO_TRYA_FAILURE_LIKELY(a, b)
+#define BOOST_OUTCOME_CO_TRY_FAILURE_LIKELY_INVOKE_TRY1(a) BOOST_OUTCOME_CO_TRYV_FAILURE_LIKELY(a)
+/*! AWAITING HUGO JSON CONVERSION TOOL
+SIGNATURE NOT RECOGNISED
+*/
+#define BOOST_OUTCOME_CO_TRY_FAILURE_LIKELY(...) BOOST_OUTCOME_TRY_CALL_OVERLOAD(BOOST_OUTCOME_CO_TRY_FAILURE_LIKELY_INVOKE_TRY, __VA_ARGS__)
+
+#if !defined(__clang__) && defined(__GNUC__) && __GNUC__ >= 8
+#pragma GCC diagnostic pop
+#endif
+
#endif
projects / platform / upstream / boost.git / blobdiff