$maybe sortableP <- pSortable
$with toSortable <- toSortable sortableP
$forall OneColonnade{..} <- getColonnade dbtColonnade
^{widgetFromCell th $ withSortLinks $ toSortable oneColonnadeHead}
$nothing
$forall row <- rows
$forall OneColonnade{..} <- getColonnade dbtColonnade
^{widgetFromCell td $ oneColonnadeEncode row}