calls map/set treap-order validation arms in molds with $|
::
+* jar [key value] (map key (list value)) :: map of lists
+* jug [key value] (map key (set value)) :: map of sets
-+* map [key value] (tree (pair key value)) :: table
+::
++* map [key value] :: table
+ $| (tree (pair key value))
+ |=(a=(tree (pair)) ~(apt by a))
+::
+* qeu [item] (tree item) :: queue
-+* set [item] (tree item) :: set
+::
++* set [item] :: set
+ $| (tree item)
+ |=(a=(tree) ~(apt in a))
::
:::: 2l: container from container ::
:: ::
