Several combinators exist for list traversal.

leach ( ... list quot: ( ... elt -- ... ) -- ... )

lmap ( ... list quot: ( ... elt -- ... newelt ) -- ... result )

foldl ( ... list identity quot: ( ... prev elt -- ... next ) -- ... result )

foldr ( ... list identity quot: ( ... prev elt -- ... next ) -- ... result )

lmap>array ( ... list quot: ( ... elt -- ... newelt ) -- ... array )