-- | RFC 3339 date-time when this Post was published.
posPublished :: Lens' Post' (Maybe UTCTime)
posPublished
  = lens _posPublished (\ s a -> s{_posPublished = a})
      . mapping _DateTime
posPublished :: Lens' Post' (Maybe UTCTime)
posPublished
  = lens _posPublished (\ s a -> s{_posPublished = a})
      . mapping _DateTime
posPublished
  = lens _posPublished (\ s a -> s{_posPublished = a})
      . mapping _DateTime