stack-bound vs. travelling closures proposal.

[Doug Lea]

On 06/17/10 08:19, Neal Gafter wrote:
> You're observing that people don't use checked exceptions much today,
> and they aren't well supported (e.g. in concurrency scenarios).

That was one of the observations. The short version of the
second one is that
   * We don't know how to efficiently process closures performing
     blocking or failing IO.
   * We don't have a reasonable way to ban only IO (or force
     explicit evasion of the ban) without banning all checked exceptions.

-Doug