I started prototyping the async networking redesign. To make the
up-front work easier, I've added a layer of abstraction so consumers can
opt-in to receiving async replies so I don't need to rewrite everything
all at once. This has led me to a discovery - our current implementation
of sync XHR works really well (spec-compliant, even!) using channels,
and we'll need to introduce something like nested event loops if we
insist on switching wholesale to async events for all consumers. This is
something that I would _really_ like to avoid doing.
Patrick, I know you've been keen on the network rewrite eliminating the
pattern of sending channels over channels. How bad would it be if we
kept this capability but barely made use of it?
Cheers,
Josh
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