People ask me, "Jim, if you want to do typescript and node.js they why do you waste you time learning about functional languages like Haskell and Clojure?
I think Paul Hudak says it pretty well in his book Haskell School of Music on page xvii when he says,
"I encourage the seasoned programmer having experience only with conventional imperative and/or object-oriented languages to read this text with an open mind. Many things will be different, and will likely feel awkward. There will be a tendency to rely on old habits when writing new programs, and to ignore suggestions about how to approach things differently. If you can manage to resist those tendencies I am confident that you will have an enjoyable learning experience. Those who succeed in this process often find that many ideas about functional programming can be applied to imperative and object-oriented languages as well, and that their imperative coding style changes for the better."
"I encourage the seasoned programmer having experience only with conventional imperative and/or object-oriented languages to read this text with an open mind. Many things will be different, and will likely feel awkward. There will be a tendency to rely on old habits when writing new programs, and to ignore suggestions about how to approach things differently. If you can manage to resist those tendencies I am confident that you will have an enjoyable learning experience. Those who succeed in this process often find that many ideas about functional programming can be applied to imperative and object-oriented languages as well, and that their imperative coding style changes for the better."
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