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Re: Additional side-effect-free functions


From: David Kastrup
Subject: Re: Additional side-effect-free functions
Date: 30 Mar 2002 16:04:54 +0100
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2.50

address@hidden (Jonathan Yavner) writes:

> Many built-in functions without apparent side effects are not given
> the property (side-effects t) in byte-opts.el.  Why not?
> 
> Examples:
>     make-symbol
This changes the obarray.
>     char-to-string
This can call an exception.
> format-time-string
This depends on the current time
> current-time
The same.
>     truncate
This can raise a range-error exception.

I didn't check through all the others, but the list of forgotten
things is probably quite smaller than you think.

-- 
David Kastrup, Kriemhildstr. 15, 44793 Bochum
Email: address@hidden



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