class Pry::Command::Ls::Methods

def below_ceiling

traversal of the Object's ancestry graph.
Get a lambda that can be used with `take_while` to prevent over-eager 
def below_ceiling
  ceiling = if @quiet_switch
              [Pry::Method.safe_send(interrogatee_mod, :ancestors)[1]] +
                pry_instance.config.ls.ceiling
            elsif @verbose_switch
              []
            else
              pry_instance.config.ls.ceiling.dup
            end
  ->(klass) { !ceiling.include?(klass) }
end