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I encourage everyone who is still sitting on the fence about whether to learn a functional language to read this Beautiful Code – The Manifesto article written by Lau B. Jensen.

To summarize, his point of writing beautiful code essentially avoids a lot of the pitfalls you get from Imperative languages.

Beautiful Code is…

• Concise – Free from both obvious and hidden ceremony
• Expressive – Compartmental in its architecture, showing intent
• Safe – Being explicit about state and time, defaulting to immutability

Of course, functional languages do all that. Therefore, functional languages create beautiful code. Trust me, you want to learn a functional language.

Try Haskell for size and read this book Real World Haskell which is a fantastic book to learn Haskell.

Or learn F# for those in the Microsoft space. I highly recommend Chris Smith‘s Programming F# book to learn F#.