On Thu, Jul 29, 2021 at 10:27:57AM +0800, Tom Yan wrote: [...] > As of the current code (or even according to what you said / implied > "should and would still be right"), `tcp flags syn` checks and checks > only whether the syn bit is on: It is actually the same topic that you are discussing in several emails: You don't seem to like that the implicit operation for the bitmask datatype is not ==. Fair enough. [..] > Probably because `{ }` implies a `==`. Again the same argument from another email: As I said { } implies a set, which implies an exact match on the value. For most datatypes, the implicit operation implies '==', except for the bitmask datatype.