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by radarsat1
3266 days ago
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No answer for WeakMap, and like I said, not sure about integers, but if you take a look at Haskell monads, you'll see that surprising things like Maybe (booleans, essentially, or rather container classes that either contain something or don't) can be iterated over. It's a very useful concept that abstracts somewhat the idea of "iterable", to "do something with all the things", where in the case of Maybe, all the things is either one thing or nothing. Granted, in JavaScript maybe this wouldn't make sense. |
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