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Hmm...I thought I had told them in the article.

> According to sample number 2 above, we will read the loop 4 times to track the current value of sample. Imagine if you have an array with 1000 elements inside it.

That is one of that.

> ...made our code more concise

and also in the summary. Well, I know maybe "concise" is a subjective thing :)

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I've read that, but it really depends on the bug. A simple console.log would catch it easily. I think you need debugging skills in FP right?

I don't always prefer concise code. It means that I have to keep everything in my head, what the function does exactly.

So what I miss is real use cases. Would you write a video editor in FP? Would you make Quake 4 in FP? Is it good for Todo apps? CLI apps maybe? Or is it best for 50 line microservices?

Honestly I did almost anything using FP. Mostly in Clojure and Clojurescript.

Btw, is using map, filter, reduce considered as using FP too? I always use it in my Swift and JS code.

One of the thing that I can't use FP is in embedded development (arduino and esp8266).

I don't know, you tell me :) I use FP in my imperative code ;)

Actually the part 2 will talk about that :)

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