September 2017 Update

Task/Ackermann-function/Jq/ackermann-function-1.jq

@@ -0,0 +1,7 @@
+# input: [m,n]
+def ack:
+  .[0] as $m | .[1] as $n
+  | if $m == 0 then $n + 1
+    elif $n == 0 then [$m-1, 1] | ack
+    else [$m-1, ([$m, $n-1 ] | ack)] | ack
+    end ;