Dan Sugalski writes: > Once we decide how to *get* these things (see the previous e-mail) we > need to decide how they should work. We can fiddle around, but > honestly the scheme: > > 1) They act as arrays--if you want the 18th element in the iterator, > access it directly > 2) They have 'next', 'previous', 'first', 'last', and 'reset' methods > to get the next, previous, first, or last element in the iterator, or > to reset the iterator to the beginning. Next, last, and reset change > the internal current element pointer, first and last don't.
Why not take a page from C++ and call "previous" and "next" C<inc> and C<dec>, and then C<deref> to get what it points to. The ops are already there. Not sure about "reset" though. Luke
