samwyse a écrit : > George Sakkis wrote: >> On May 29, 11:33 pm, Matimus <[EMAIL PROTECTED]> wrote: >> >> >>> Your attemtp: >>> >>> [code] >>> first, rest = arglist[0], arglist[1:] >>> [/code] >>> >>> Is the most obvious and probably the most accepted way to do what you >>> are looking for. As for adding the fucntionality you first suggested, >>> it isn't likely to be implemented. The first step would be to write a >>> PEP though. >> >> The time machine did it again: http://www.python.org/dev/peps/pep-3132/. > > Thanks! Now I just need to wait for Py3K and all of my problems will be > solved. ;-) > > Actually, I'm surprised that the PEP does as much as it does. If tuples > are implemented as S-expressions, then something like this: > car, *cdr = tuple > while leaving cdr a tuple would be trivial to implement. Of course, I'm > an old-school LISPer, so what I consider surprising behavior doesn't > always surprise anyone else, and vice versa.
Remember all these are copies of the original sequence, the lisp equivalent to car/cdr is feasible with an iterator : it = iter(seq) car, cdr = it.next(), it -- http://mail.python.org/mailman/listinfo/python-list
