Check if value exists in a set

[Ezra Match]

Hi all,

I've been enjoying learning Rama.

I have a pstate with a set. I'm wondering how to check if a value exists in the set.

Thanks!

Ezra

[Nathan Marz]

You can do that with the Java API like this:

.localSelect("$$p", Path.key("*userId").view(Ops.CONTAINS, "*element")).out("*inSet?")

That second argument to "view" doesn't have to be a variable and can be a constant value as well.

With the Clojure API it's the same general idea, but you would use an anonymous <<ramafn with the "view" call.

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