Re: Optional Arguments

[Arthur Miller]

pietru@caramail.com writes:

>> Sent: Monday, December 07, 2020 at 4:51 PM
>> From: tomas@tuxteam.de
>> To: pietru@caramail.com
>> Cc: "Help Gnu Emacs" <help-gnu-emacs@gnu.org>
>> Subject: Re: Optional Arguments
>>
>> On Mon, Dec 07, 2020 at 04:06:13PM +0100, pietru@caramail.com wrote:
>>
>> [...]
>>
>> > How can one get computed values from a function then?
>>
>> Either you return it (in your case, e.g. by returning a pair)
>>
>>   (cons ma mb)
>
> Because by default, a function returns the value of the last expression
> evaluated as the return value.  Correct?
Yes.

You probably wish to prefer to return values instead of using globals as
Thomas already pointed out.