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Yes. Its a side effect of multiple dispatch being the core paradigm of the language. See Stefan Karpinski's talk about it: https://www.youtube.com/watch?v=kc9HwsxE1OY

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The title of Stefan's talk is great: The Unreasonable Effectiveness of Multiple Dispatch. He gives a nice example of composability: how you can throw a new type into an existing algorithm and it just works.

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