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Yep very weird, should have been 255.
No, you can't have a group of zero, so the counter doesn't need to waste a position counting zero.
0 is reserved for the FBI agent listening in.
If you ever create a system where the number of users is "group.members - 1" everywhere in the code, I'd be very disappointed in you and deny that PR.
On another note; I doubt WhatsApp are so concerned with performance they are actually limiting the number of group members by the data type.
But it wouldn't be like that though would it. It would be public group.members() and the u8 would be private.
If all the millions of groups are saved on a central database then making the size a u8 isn't really that weird
I hadn't thought about it on their server side tbf. But the more i think about it maybe there are other compounding reasons to keep group sizes small, such as the exponential number of links in a growing network and such. But, that is all beyond my knowledge area.
Sure you can. It's a group that exists, but it has 0 participants.
You probably could, if everyone got banned or something
Tell that to the Castlevania 2 devs. https://lemmy.ml/comment/19720906
You cannot also have a group of 1, therefore either is 255 or 257. 256 is oddly specific (or the code was made by an intern)
Sure you can.
Oh. At this point I'm not sure what is worse :/
I mean, should the group and all the messages get deleted when the second to last person leaves? it only makes sense to let it stay as a 1 member group