On Oct 19, 1:49 pm, Duncan Booth <[EMAIL PROTECTED]> wrote: > Andreas Kraemer <[EMAIL PROTECTED]> wrote: > >> The only other behaviours I would regard as intuitive for iteration over > >> a mutating sequence would be to throw an exception either for mutating > >> the sequence while the iterator exists or for using the iterator after a > >> mutation. > > > Maybe it would have been slightly more intuitive if reversed() had > > been implemented like this, > > > def Reversed(seq): > > for i in xrange(len(seq)-1,-1,-1): > > yield seq[i] > > > so that the length of the sequence is determined when the iteration > > starts, not when the iterator is created? > > Perhaps, but either way it comes down to "don't modify the sequence while > iterating".
Definitely agreed. -- http://mail.python.org/mailman/listinfo/python-list
