Re: Hash tables - how to look up values?

[Thorsten Jolitz <tjolitz@googlemail.com>]

Bastien <bzg@gnu.org> writes:

Hi Bastien,

>> I could not find such a function - does it exist already?
>
> I don't think so.  But here is a start:
>
> (let (key-found)
>   (maphash (lambda (key val)
> 	     (when (equal val "my_value")
> 	       (setq key-found key)))
> 	   hashtest)
>   key-found)
>
> Of course, the shortcoming is that it stops at the first key it finds,
> and discards multiple keys if several have the same value.

Thanks, now I even have the 'agony of choice' (is that how they call it
in English?), but I might very well need both solutions - return the
first or all values found.

-- 
cheers,
Thorsten