On Sat, Feb 25, 2017 at 09:13:46AM +0200, Mike Pechkin wrote: > ast start point: > http://ideone.com/zPndpA > > On Sat, Feb 25, 2017 at 9:01 AM, Christopher Howard < > christopher.how...@qlfiles.net> wrote: > > > Hi list. How do I *destructively* modify the value of one element in a > > list? E.g. > > > > (setq Lst (1 2 3 4)) > > > > How do I set the second element to be 10, without creating a new list, > > and without using "con" to change a lot of the list?
In this concrete case: (set (cdr Lst) 10) or, more generally: (set (nth Lst 2) 10) ♪♫ Alex -- UNSUBSCRIBE: mailto:email@example.com?subject=Unsubscribe