Update example to not use ^ as a hash function
#1360
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XOR is not a good hash function, and our example shouldn't give people the wrong idea. Better to just outsource to the built-in Hash function used by `Array`. It's more idiomatic, and will lead to less collisions.
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XOR is not a good hash function, and this example might give people the wrong idea.
Better to just outsource to the built-in Hash function used by
Array. It's more idiomatic, and will lead to less collisions.