proposal-function.sent

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My current — and potentially incorrect — understanding is that the proposed LastYieldValue component of genContext is almost the same thing as the received.[[Value]] mentioned in

• 14.4.14 Runtime Semantics: Evaluation

And, perhaps also, almost the same thing as the Completion resumptionValue, mentioned in

• 25.4.3.6 GeneratorYield ( iterNextObj )
• 25.5.3.7 AsyncGeneratorYield ( value )

If this understanding is correct, it may be less confusing — for specification readers — to rename LastYieldValue to ReceivedValue, and to rename resumptionValue to receivedValue.

Or, maybe, rename them all

• received.[[Value]] → sent.[[Value]]
• resumptionValue → sentValue
• LastYieldValue → SentValue

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Alternatively, if received.[[Value]], resumptionValue, and LastYieldValue are conceptually distinct, it might be helpful to include a non-normative note.

I believe they are same, so yes I think we should rename LastYieldValue to ReceivedValue.

But resumptionValue name is ok because it's for the sender side.