move hashtables.lib to assocs.lib

extra/assocs/lib/lib.factor

@@ -11,14 +11,17 @@ IN: assocs.lib
 
 ! set-hash with alternative stack effects
 
-: put-hash* ( table key value -- ) swap rot set-at ;
+: put-hash* ( table key value -- ) spin set-at ;
 
 : put-hash ( table key value -- table ) swap pick set-at ;
 
 ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
 : set-hash-stack ( value key seq -- )
-  dupd [ key? ] when find-last nip set-at ;
+    dupd [ key? ] with find-last nip set-at ;
 
 : at-default ( key assoc -- value/key )
     dupd at [ nip ] when* ;
+
+: at-peek ( key assoc -- value ? )
+    at* dup >r [ peek ] when r> ;

extra/automata/ui/ui.factor

@@ -14,7 +14,7 @@ USING: kernel namespaces math quotations arrays hashtables sequences threads
        ui.gadgets.packs
        ui.gadgets.grids
        ui.gadgets.theme
-       namespaces.lib hashtables.lib vars
+       namespaces.lib assocs.lib vars
        rewrite-closures automata ;
 
 IN: automata.ui

extra/boids/ui/ui.factor

@@ -20,7 +20,7 @@ USING: kernel namespaces
        ui.gadgets.grids
        ui.gestures
        combinators.cleave
-       hashtables.lib vars rewrite-closures boids ;
+       assocs.lib vars rewrite-closures boids ;
 
 IN: boids.ui
 

extra/namespaces/lib/lib.factor

@@ -1,8 +1,8 @@
 
-! USING: kernel quotations namespaces sequences hashtables.lib ;
+! USING: kernel quotations namespaces sequences assocs.lib ;
 
 USING: kernel namespaces namespaces.private quotations sequences
-       hashtables.lib ;
+       assocs.lib ;
 
 IN: namespaces.lib