I really like the "close it as the last item in the sequence" trick. Sadly, I don't see how it can be made exception safe.
On Wed, Feb 25, 2009 at 9:02 AM, Stuart Sierra <the.stuart.sie...@gmail.com>wrote: > > On Feb 25, 8:29 am, Meikel Brandmeyer <m...@kotka.de> wrote: > > That's interesting. I almost never use doall or dorun together with > > map. I found that most side-effects don't give interesting result > > values. > > I often find I need to do this when the mapping function depends on a > dynamic context, like an open stream or an SQL connection. I'm not > using side effects in this case, but I have to make sure that the > sequence is completely realized before leaving the scope in which it > was created. This issue has been mentioned before, but there doesn't > seem to be a good general-purpose solution. > > -Stuart Sierra > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en -~----------~----~----~----~------~----~------~--~---
