why not both Future and CompletionHandler?

[Alan Bateman]

Rémi Forax wrote:
>
> Or if I want to use a completion handler but have also a way to cancel 
> the operation.
Yes, and that was noted at the time [1] but isn't really much of a 
concern because canceling specific I/O operations usually doesn't make 
sense (and just isn't feasible everywhere anyway).

-Alan

[1] http://bugs.sun.com/view_bug.do?bug_id=6842687