Functional programming, which I discovered by using Elm.
Would love to try F# to develop backend in a functional way as well.
I am learning Functional Programming too, but I went with Haskell. Still finding the whole paradigm a little confusing and counter-intuitive though.
I found Elm at first confusing too because I was taught to write code imperatively. Haskell is the most functional language you can think of and it takes time.
Even if you won't use it, everything you've learnt will benefit when you write code in different languages.
Hit up solidity and smart contracts if you are enjoying functional programming. Huge demand for sol devs currently and its some interesting stuff.
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