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