The return type of TreeMap should be Iterator<MapEntry<K, V>>

[cnyarx]

In TreeMap's [Symbol.iterator]:
public [Symbol.iterator] ():Iterator<K> { return this.entrySet[Symbol.iterator](); }

The type of this.entrySet is a function, not an object of ImmutableEntrySetForTreeMap. So I think it should be defined like this:

public [Symbol.iterator]():Iterator<MapEntry<K, V>> { return this.entrySet()[Symbol.iterator](); }

Or there will get a ts(7053) error

[larrydiamond]

I'll take a look - thanks for reaching out!

[larrydiamond]

Ahhh! I just saw the confusion - I was typing up a response and I see how I confused you!

This is a really good question and perhaps I should change the type name there.

In TestTreeMap.spec.ts I see what I did - it was bad type naming in that method on my part and I apologize.

You're 100% right - it should be MapEntry<K,V> and not simply K.

On line 982 in my test that's exactly what I did.
let tsi:Iterator<MapEntry<PetStoreProduct,ValueClass>> = entrysetSymbol.iterator;

so the K that you get back from this method is really a MapEntry<K,V> and this is absolutely my bad.

I will patch the npm module to make this better.

Thank you very much for reaching out and letting me know about this!
Larry Diamond