On Apr 6, 12:16 am, Alex Osborne <a...@meshy.org> wrote: > Calling the set as if it is a fn is a short-hand for "get", that is > retrieving an element from the set. Why would you want to do this, when > to look it up you need to know what element is? Sets are based on > value-equality not reference-equality. Thus you can have an object in > the set that is equal to your lookup key but not identical.
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