Method: Jabber::Roster::Helper#groups

Defined in:
lib/vendor/xmpp4r/lib/xmpp4r/roster/helper/roster.rb

#groups ⇒ Object

Groups in this Roster, sorted by name

Contains nil if there are ungrouped items

result
Array

containing group names (String)



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# File 'lib/vendor/xmpp4r/lib/xmpp4r/roster/helper/roster.rb', line 280

def groups
  res = []
  @items_lock.synchronize {
    @items.each_pair do |jid,item|
      res += item.groups
      res += [nil] if item.groups == []
    end
  }
  res.uniq.sort { |a,b| a.to_s <=> b.to_s }
end