Re: problem with mapconcat

["Andreas Röhler" <andreas.roehler@easy-emacs.de>]

Stephen Berman wrote:
> On Thu, 04 Mar 2010 08:36:46 +0100 Andreas Röhler <andreas.roehler@easy-emacs.de> wrote:
> 
>> Thamer Mahmoud wrote:
>>> Thamer Mahmoud <thamer.mahmoud@gmail.com> writes:
>>>> Another alternative:
>>>>
>>>> (mapconcat 'string (string-to-list "abc") "/")
>>>>
>>>> => "a/b/c"
>>> After sending the above, I realized that this would work too:
>>>
>>> (mapconcat 'string "abc" "/")
>>>
>>>
>>>
>>>
>>>
>> That seems to work either, whats strange for me:
>>
>> (mapconcat 'list "abc" "/")"a/b/c"
> 
> Maybe this helps clarify why that works:
> 
> (let (r)
>   (dolist (e (string-to-list "abc") r)
>     (setq r (concat r (if (null r) "" "/") (list e)))))
> 
> Steve Berman
> 
> 
> 
> 

Thanks. Assumed wrongly result type of mapconcat follows function applied.
But it's concat which defines the result type, as function name says...


Andreas