restructure + lecutre 07

lectures/05/sum_integers.ml

@@ -0,0 +1,12 @@
+let () =
+  let rec aux sum =
+    try
+      aux @@ Scanf.scanf " %d" (fun x -> sum + x)
+    with
+    | Scanf.Scan_failure _ ->
+      Scanf.scanf " %s" (fun _ -> ());
+      aux sum
+    | End_of_file -> sum
+  in
+  Printf.printf "%d\n" @@ aux 0;;
+