Data commit

Task/Hash-join/PicoLisp/hash-join.l

@@ -0,0 +1,24 @@
+(de A
+   (27 . Jonah)
+   (18 . Alan)
+   (28 . Glory)
+   (18 . Popeye)
+   (28 . Alan) )
+
+(de B
+   (Jonah . Whales)
+   (Jonah . Spiders)
+   (Alan . Ghosts)
+   (Alan . Zombies)
+   (Glory . Buffy) )
+
+(for X B
+   (let K (cons (char (hash (car X))) (car X))
+      (if (idx 'M K T)
+         (push (caar @) (cdr X))
+         (set (car K) (list (cdr X))) ) ) )
+
+(for X A
+   (let? Y (car (idx 'M (cons (char (hash (cdr X))) (cdr X))))
+      (for Z (caar Y)
+         (println (car X) (cdr X) (cdr Y) Z) ) ) )