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> Would you rather learn to write and read maintain a handful of classes

I appreciate your answer, but that's not what I do with libraries. I don't have to read their internals, let alone write them.




I may have communicated that badly. A pattern like transducers is one that everyone needs. Everyone either uses it built into the language or writes it out long form. Design patterns are a way of giving you instructions for writing it out long form. So, you either write it yourself or use it built in.

Some people do not want to learn language tools that will reduce such boilerplate, but those people often are (ironically) happy to learn lots of libraries. Libraries by definition can't remove any more boilerplate than you can, they are just as limited by the language, so often times just save the user some writing, rather than reducing (haha) it across a whole codebase like a built in feature can.




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