Re: [whatwg/streams] add @@asyncIterator to ReadableStreamDefaultReader (#950)

devsnek commented on this pull request.



> +</emu-alg>
+
+<h5 id="default-reader-@@asynciterator" for="ReadableStreamDefaultReader">[@@asyncIterator]()</h5>
+
+<div class="note">
+  The <code>@@asyncIterator</code> method is an alias of {{ReadableStreamDefaultReader/iterator}}.
+</div>
+
+<emu-alg>
+  1. Let _iterator_ be ? GetMethod(*this*, "iterator").
+  1. Return ? Call(_iterator_, *this*).
+</emu-alg>
+
+<h3 id="default-reader-asynciterator-prototype" interface lt="ReadableStreamDefaultReaderAsyncIteratorPrototype">
+  ReadableStreamDefaultReaderAsyncIteratorPrototype
+</h3>

@mcollina all async iterators should inherit from (have [[Prototype]] set to) %AsyncIteratorPrototype%, but it doesn't happen by default. i added it in my last commit.

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