PragmaTwice commented on code in PR #1032:
URL:
https://github.com/apache/incubator-kvrocks/pull/1032#discussion_r1004115594
##########
src/common/status.h:
##########
@@ -285,3 +282,10 @@ struct StatusOr {
template <typename>
friend struct StatusOr;
};
+
+#define GET_OR_RET(...) \
+ ({ \
+ auto&& status = (__VA_ARGS__); \
+ if (!status) return std::forward<decltype(status)>(status); \
+ std::forward<decltype(status)>(status); \
+ }).GetValue()
Review Comment:
> This seems like an uncommon code snippet to me. How can I read it?
We need a "template" keyword before a template member function. It is not
"uncommon".
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