[streams] Clear variables for fulfillment/rejection for book keeping (#376)

You can view, comment on, or merge this pull request online at:

  https://github.com/whatwg/streams/pull/376

-- Commit Summary --

  * Clear variables for fulfillment/rejection for book keeping

-- File Changes --

    M reference-implementation/lib/readable-stream.js (4)
    M reference-implementation/lib/writable-stream.js (4)

-- Patch Links --

https://github.com/whatwg/streams/pull/376.patch
https://github.com/whatwg/streams/pull/376.diff

---
Reply to this email directly or view it on GitHub:
https://github.com/whatwg/streams/pull/376