Hi Alex >(let ((A B C) (foo)) I am using pil64 so...That's great...Thank you very much indeed Best Regards Dean
On 18 December 2016 at 21:05, Alexander Burger <a...@software-lab.de> wrote: > Hi Dean, > > > I'm sure I can only return multiple values from a function as a list. > > I can assign those values to multiple symbols in the calling function > like > > this... > > > > (setq L (1 100 1000)) > > > > (setq A (get L 1) B (get L 2) C (get L 3)) > > Right. > > > > but wonder if there's a shorter way. > > For the elements near the beginning of a nested List structure there are > direct > access functions cXXXXr, i.e. car, cdr, cadr, cdar, cddr ... up until 4 > 'a's or > 'd's. > > So the 4th element of a list is (cadddr L), and the above becomes > > (setq A (car L) B (cadr L) C (caddr L)) > > > Another possibility is to use de "destructuring bind" feature of 'let' > (only > available in pil64). It is the shortest: > > (let ((A B C) L) ... > > So if you get this list from a function 'foo', you would do > > (let ((A B C) (foo)) ... > > - Alex > -- > UNSUBSCRIBE: mailto:picolisp@software-lab.de?subject=Unsubscribe >
