Vedran Čačić added the comment:
Ok, I believe you that you have the interface for IntFlags right (I always did,
and I apologize if I didn't make it clear from the start). All my questions
pertain to Flags.
You said what to me seem like two contradictory things:
> Not having 2 named has different consequences for Flag vs IntFlag (although
> *neither is an error*): Flag: no combination of flags will ever have the 2
> bit set
> if MyFlags is a Flag then MyFlags(impossible_combination) *will raise an
> exception.*
Are you saying that after I write
class MyFlags(Flags):
b001 = 1
b011 = 3
b100 = 4
b110 = 6
this is _not_ an error, but if after that I call
print(MyFlags(7))
it _is_ an error? It doesn't seem so bad now I think about it, but I'd like the
error to be reported before ("3 has bit of value 2 set, but that bit is not a
member" or something like that).
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<http://bugs.python.org/issue23591>
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