def layout=( layout )
    unless layout.kind_of? ::Logsly::Logging182::Layout
      raise TypeError,
            "#{layout.inspect} is not a kind of 'Logsly::Logging182::Layout'"
    end
    @layout = layout
  end
def layout=( layout )
    unless layout.kind_of? ::Logsly::Logging182::Layout
      raise TypeError,
            "#{layout.inspect} is not a kind of 'Logsly::Logging182::Layout'"
    end
    @layout = layout
  end
call-seq
    appender.layout = Logsly::Logging182::Layouts::Basic.new

 Sets the layout to be used by this appender.