Hi Folks, Thanks for your answers. I already enjoy this community. 🙂 Some years ago I taught youngsters programming and realized that newbies have marvelous ideas on how programming could be. Okay, I know, this is not the case. 😀
@Zoom Thanks for your handy iterator. @SolitudeSF @Araq @miran Thanks for the explanation on the design. You are right, countdown does not work, even on the Commodore 64. 🙂 I checked: (see pic) <https://drive.google.com/file/d/1clRLLd4CzA-5x6keqBLECxyD2wnUhEWH/view?usp=sharing> @freeflow You are right. I am catched by Nim’s is intuitiveness and flexibility and explore freely with minimal reading of the manual. I know it is unprofessional but works most of the cases, which is the merit of the language indeed. 🙂
