Are higher order functions and functors equivalent like how closures and objects are equivalent?

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  • prowl

    WIP stack language that uses regex for control flow

  • Functors can help remove a lot of code duplication. For example, the language I am working on has a big equational unification framework for its type system, and I can compose unifiers easily by making them meet some common specification and tying things together. Without functors, I would need to have callback arguments and extra constants in a bunch of the functions, and each function relevant to each unifier would have to be tied together individually, which would be a terrible mess.

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