add zipper/PREV

This commit is contained in:
Nathan Marz 2016-04-24 16:54:07 -04:00
parent 9a3a19bb9b
commit 48ad46d5e5

View file

@ -27,6 +27,7 @@
s/STOP
s/STAY)))
(defn- mk-zip-nav [nav]
(path []
(select* [this structure next-fn]
@ -47,6 +48,7 @@
(def LEFT (mk-zip-nav zip/left))
(def DOWN (mk-zip-nav zip/down))
(def UP (mk-zip-nav zip/up))
(def PREV (mk-zip-nav zip/prev))
(def RIGHTMOST (s/view zip/rightmost))
(def LEFTMOST (s/view zip/leftmost))