[ox/std] Add Error::throwException()

deps/ox/src/ox/std/error.hpp

@@ -62,6 +62,8 @@ struct [[nodiscard]] Error {
 		return errCode;
 	}
 
+	constexpr void throwException() const;
+
 	constexpr Error reoriginate(
 		ErrorCode const pErrCode,
 		CString const pMsg = nullptr,
@@ -121,6 +123,14 @@ struct Exception: public std::exception {
 	}
 };
 
+
+constexpr void Error::throwException() const {
+	if (errCode) [[unlikely]] {
+		throw Exception{*this};
+	}
+}
+
+
 [[noreturn]]
 void panic(
 	Error const &err,