X-Git-Url: https://git.xandkar.net/?p=cellular-automata.git;a=blobdiff_plain;f=polymorphic-life%2F001%2Fsrc%2Fpolymorphic_life.ml;h=bc0685bb4a186aa6107bbf1da06d393735629db5;hp=9a9163e1c1be2f6cb0a0132730fc075f71b19c89;hb=7d89c0373cc4f51342704883f649e0c27e931c60;hpb=0d6f78335b05b14736c63234d7f15a9cf2420b1a

diff --git a/polymorphic-life/001/src/polymorphic_life.ml b/polymorphic-life/001/src/polymorphic_life.ml
index 9a9163e..bc0685b 100644
--- a/polymorphic-life/001/src/polymorphic_life.ml
+++ b/polymorphic-life/001/src/polymorphic_life.ml
@@ -74,11 +74,22 @@ module Conway : CELL = struct
 end
 
 
-let main () =
-  let pool = Matrix.create ~rows:5 ~cols:5 ~data:() in
+let main rows cols () =
+  let pool = Matrix.create ~rows ~cols ~data:() in
   Matrix.iter pool ~f:(
     fun ~row ~col ~data:() -> printf "R: %d, K: %d\n" row col
   )
 
 
-let () = main ()
+let spec =
+  let summary = "Polymorphic Cellular Automata" in
+  let spec =
+    let open Command.Spec in
+    empty
+    +> flag "-rows" (optional_with_default 5 int) ~doc:"Height"
+    +> flag "-cols" (optional_with_default 5 int) ~doc:"Width"
+  in
+  Command.basic ~summary spec main
+
+
+let () = Command.run spec