[strawman] Symbol.thenable proposal

[Gus Caplan]

Hello all,



In an effort to curtail the interesting behavior of Promise.resolve (especially

with regard to dynamic import), I have created a proposal for a well-known

symbol which will allow an object to not be treated as a "thenable."



I am privy to the current protocol proposal which might be a better fit for

this, but due to dynamic import already being stage 3, I don't feel we should

wait for it to come to fruition.



Comments and suggestions are of course quite welcome at the repo [1].



Thanks,

-Gus



[1]: https://github.com/devsnek/proposal-symbol-thenable


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