Haskell Lectures Monad

https://www.quora.com/Why-do-we-need-Monad-to-encapsulate-side-effects-in-Haskell/answer/Bartosz-Milewski?share=e10473c1&srid=ZyHj
“Monads are NOT about side effects. They are about composition. There are ways to express side effects using pure functions. But if you want to compose them, you need a monad”. Watch this video:

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