[ros-users] Master API & Types

Hello,

While exploring the Master API, I experienced something I didn't expect :

After the last publisher ( and all subscribers ) on a topic is gone, the
topic still has a type and is still returned by getTopicTypes().

Did anyone experienced this ? Is it expected ?
Or is there some more complex behavior, like timeout or so ?

If it s expected, then it means a topic cannot change type ?

Also any reason why there isn't a similar getServiceTypes() API ?

Thank you,

--
AlexV
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