Improved type system

lib/log/number.q

@@ -6,10 +6,10 @@ number(x Int) {
 	buffer := mem.alloc(length)
 	address, count := itoa(x, buffer, length)
 	sys.write(1, address, count)
-	mem.free(buffer, length)
+	mem.free(buffer)
 }
 
-itoa(x Int, buffer Pointer, length Int) -> (Pointer, Int) {
+itoa(x Int, buffer *Any, length Int) -> (*Any, Int) {
 	end := buffer + length
 	tmp := end
 	digit := 0