RFR: 8272137: Make Iterable classes streamable

[Brian Goetz]

On Mon, 9 Aug 2021 12:28:23 GMT, CC007 <github.com+5381337+CC007 at openjdk.org> wrote:

> create Streamable and ParallelStreamable interface and use them in Collection and Optional

I object to this change.  These issues were explored in the JSR 335 EG and it was agreed that this abstraction did not carry its weight.  In any case, it is premature to bring a PR for a significant API change that has not been discussed first on corelibs-dev.  Please withdraw the PR, and if you want to continue the discussion, bring it to corelibs-dev.

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Changes requested by briangoetz (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/5050