Re: adventures with iterators

[Dirk Laurie <dirk.laurie@...>]

2012/12/3 Sven Olsen <sven2718@gmail.com>:

> xpairs is a wonderfully clever piece of code.  Though the more
> I think about it, the more nervous it makes me.  Even in cases
> without __newindex or __index metamethods, errors have
> a chance of leaving the table in an awkward state.  Steve's
> explicit proxy is safer, if less convenient.

To be honest, I don't use xpairs myself. The challenge of writing
it was the whole reward.

I try to rethink my problem so that one of the standard data
structures (stack, queue, deque, heap, ...) is applicable. Those
are well understood.