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> Also, you are stuck with the decision some developer made for your hash's efficiency trade-offs.

PersistentHashMaps are not slow. If you think they are, you can provide a custom defrecord with the same fields to the functions of the API and get the all perf benefits without breakage.

> leaving me with )]}]]}})) noise

Guess you never heard of paredit.

> Anyway, I would hesitate to call {} and [] an innovation.

Whatever floats your boat man.



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