@v8js Are JS engines smart enought to notice that "a" and "b" can be garbage-collected, because they are only held by each other?pic.twitter.com/8z6qPBudJn
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Thank you!
This is excellent news. WeakMap usage is likely to go up significantly in the near future as more Babel transforms depend on them.
Perf improvements would also be appreciated
Last unsubstantiated rule-of-thumb was that WeakMap access was 100x slower than property access.
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