On 12/6/2010 9:14 AM, Paul Rubin wrote: > m...@distorted.org.uk (Mark Wooding) writes: >> The most obvious improvement is resumable exceptions. > > You know, I've heard the story from language designers several times > over, that they tried putting resumable exceptions into their languages > and it turned out to be a big mess, so they went to termination > exceptions that fixed the issue. Are there any languages out there with > resumable exceptions? Escaping to a debugger doesn't really count as > that. I guess one way to do it would be call a coroutine to handle the > exception, and either continue or unwind after the continue returns, but > doing it in a single-threaded system just seems full of hazards.
I seem to remember PL/1 has resumable exceptions, but I don't ever remember finding a real use for them. And it's so long since I used PL/1 I may be mistaken. regards Steve -- Steve Holden +1 571 484 6266 +1 800 494 3119 PyCon 2011 Atlanta March 9-17 http://us.pycon.org/ See Python Video! http://python.mirocommunity.org/ Holden Web LLC http://www.holdenweb.com/ -- http://mail.python.org/mailman/listinfo/python-list
