module MetaTimeDSL
  {
    :m_second => 1,
    :m_minute => 60,
    :m_hour   => 3600,
    :m_day    => 86400,
    :m_week   => 604800,
    :m_month  => 2592000,
    :m_year   => 31471200,
  }.each do |meth, amount|
    define_method meth do
      self * amount
    end
    alias_method "#{meth}s".intern, meth
  end
end