Internal and External truncation conditions

Doug Lea dl at
Sun Feb 10 05:42:48 PST 2013

On 02/10/13 08:12, Doug Lea wrote:

> Requiring that all Stream bulk computations like reduce
> continuously check for async cancel status between each
> per-element operation is unlikely to satisfy anyone at all,
> yet seems to be the only defensible option if we were to
> support it.

Actually, we already support it.
Any per-element lambda supplied to any Stream method can
itself do any kind of async cancel check itself, and throw
an exception rather than returning a result.

Case closed?


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