@v8js v7.4, Chrome 74, and Node.js v12 support both public and private class fields!
https://developers.google.com/web/updates/2018/12/class-fields …pic.twitter.com/6ee404KKnv
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@v8js v7.4, Chrome 74, and Node.js v12 support both public and private class fields!
https://developers.google.com/web/updates/2018/12/class-fields …pic.twitter.com/6ee404KKnv
Do you know why they decided against a private keyword?
I'm not seeing an explanation for why the AS3 approach of shadowing variables was no longer viable. Private fields was already a solved problem.
Could you elaborate / give an example? I'm not very familiar with ActionScript 3.
In AS3, you could declare a private variable. From the outside, this cannot be visible or it is an abstraction leak (covered in tc39 discussion). If you then declared a property on the object from outside, AS3 would shadow it as a public variable.
So if you accessed the variable from inside, you got the private, and from outside, you got the public. Public view of the object has no knowledge of inside variables, and inside variables are unaffected by external setting of properties.
Hmm, that sounds unnecessarily confusing IMHO. @littledan @bakkoting might have more context.
No worries, at least I pointed to an existing language spec and working implementation rather than just an argument. :)
I appreciate the background!
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