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Editorial: more explicit handling of [[PromiseResult]] #3491

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Jan 8, 2025
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@bakkot bakkot commented Nov 20, 2024

The [[PromiseResult]] of a Promise is only initialized when the Promise actually settles. Generally we prefer to initialize everything explicitly. See #3482 (which also covers [[GeneratorContext]]).

There's various places which use this field without asserting that it's not ~empty~, which might confuse esmeta, but those places do assert that the state is not ~pending~, so an additional assert seemed like overkill. I could add those asserts anyway if we want though.

@bakkot bakkot added the ready to merge Editors believe this PR needs no further reviews, and is ready to land. label Jan 8, 2025
@ljharb ljharb merged commit 5b1b2a4 into main Jan 8, 2025
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@ljharb ljharb deleted the promiseresult branch January 8, 2025 23:09
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4 participants