Re: [whatwg/streams] Brainstorming a buffer-reusing version of writable streams (#495)

@isonmad Pertinent to your comment, at the Streams session at BlinkOn 7 we briefly discussed the interaction between Streams and WebAssembly. There was talk of "partially" detaching ArrayBuffers, so that a WebAssembly program could pass off a chunk of its backing storage to a Stream while keeping the rest. If this was implemented it would also be useful for the grep case you are talking about.

If I understand correctly, there are several other use-cases for partially-detaching ArrayBuffers, so maybe it's not as crazy as it sounds.

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