he/him 
JavaScript sets consider elements "equal" if a === b, which means things like this happen: $ node -e 'console.log(new Set([[1], [1]]))' Set { [ 1 ], [ 1 ] } How do I use a set to store complex values? Am I just out of luck?
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Yeah you're out of luck. Generally when I've had to do that I just use a Map with a derived key, although it's definitely not the fastest depending on how you derive the key. JS lacks a standard way to perform deep equality.
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Derived keys aren't an option this time because I'm writing a data structure that can hold any type of data, but I'll find some other workaround. Thanks!
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You could use something like this but it's definitely on the brittle sidehttps://www.npmjs.com/package/hash-sum …
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