Re: Is this a bug in while-let or do I missunderstand it?

[Andreas Schwab]

On Nov 09 2024, Joost Kremers wrote:

> Yes, but for `while`, the pattern isn't complete. The `setq` inside the
> loop is a crucial part:
>
> ```
> (let ((a (foo ...)))
>   (while a
>     (do-stuff-with a)
>     (setq a (foo ...))))
> ```

You can write it like this to avoid typing the condition twice:

 (let (a)
   (while (setq a (foo ...))
     (do-stuff-with a)))

-- 
Andreas Schwab, schwab@linux-m68k.org
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