Non interference enforcement

Brian Goetz brian.goetz at
Wed Sep 26 06:28:37 PDT 2012

We do piggyback on some degree of fail-fast when we use their iterators.

On 9/26/2012 9:26 AM, Remi Forax wrote:
> We currently ask users to write lambdas that doesn't interfere with the
> source collection
> of a stream but it's not enforced in the code.
> By example,
> -> { list.remove(e); });
> may works or not depending how the pipeline is implemented.
> This is a serous departure for the current way java.util collections works
> and I wonder if we should not keep the fail-fast guarantee for those
> collections.
> Rémi

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