fn claimer(
state: &AppState,
caller: Option<&Caller>,
agent: Option<&str>,
block: Option<&str>,
) -> Option<(String, String, Option<String>)>Expand description
Who is asking: the name and UID of the caller’s registration (found by
token, block, then unique name, as WhoIsWorkingOn does), else the name
it sent. None when there is no name at all.