# File lib/rbot/irc.rb, line 1953
    def delete_user(someuser)
      idx = has_user?(someuser)
      raise "Tried to remove unmanaged user #{user}" unless idx
      have = self.user(someuser)
      @channels.each { |ch|
        delete_user_from_channel(have, ch)
      }
      @users.delete_at(idx)
    end