[boost] range_ex (Re: Formal Review: FOREACH macro)

| > | I should also point out that FOREACH is ready and useful today, whereas | > | range_ex has major outstanding design questions. | > | > which are those btw?

I believe we should move this discussion into separate thread. FOREACH is under review now and range_ex is not even requested yet. If we want it to be reviewed the first step in this direction could be to request one. Gennadiy