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> This couldn't be further from the truth. In imperative languages you don't need Edward Kmett to invent lenses for you.
by h91wka 7y ago
> This couldn't be further from the truth.
In imperative languages you don't need Edward Kmett to invent lenses for you.
- willtim 7y agoLenses are not necessary to practice FP, just sometimes useful (and Edward didn't invent them). Try updating a deeply nested record in your favourite imperative language without mutating the original (!)