WeakMap.prototype.upsert

tc39 / proposal-upsert

ECMAScript Proposal, specs, and reference implementation for Map.prototype.upsert

https://tc39.es/proposal-upsert/

MIT License

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WeakMap.prototype.upsert #18

Closed rkatic closed 4 years ago

rkatic commented 4 years ago

If Map has it, I would be surprised if WeakMap doesn't.

jridgewell commented 4 years ago

It exists on both.

rkatic commented 4 years ago

You are right. I did't check spec.emu first. I'm not familiar with proposal conventions, but would still suggest to specify similar important details in the README as well.