4ever-clojure VS rich4clojure

I found this to be an awesome bridge between reading about the theory and actually writing code that works: https://4clojure.oxal.org/

This is for general Clojure, I’ve had a lot of fun and learned a lot from it (and the original): https://4clojure.oxal.org/

It's normal to apply methodology like this to clojure when transitioning from other languages. When I was first learning I did a bunch of exercises on 4clojure and my first attempts looked like this. Then I found loop from the standard library and I understood immutability but relied on loop to do anything to collections of things. Eventually, after looking at the answers, I started to get familiar with the standard library. Then my solutions started to look like the two line solution above.

4Clojure is here now: https://4clojure.oxal.org/. It runs locally in your browser.

Go to https://4clojure.oxal.org/ and solve some stuff. And don't learn any theory. You're thinking how a C# developer thinks and you think you need to learn some kind of packages by heart or something.

I learned by reading through a book, then working through problems on https://4clojure.oxal.org/. If you've got JS experience it won't take too much effort to pick up. Don't get too carried away with forming the perfect tail recursive pure functional monad or whatever. Get into just doing what you're trying to do quickly, then after you're competent, read other people's code to correct your style.

I'm only a couple months into learning Clojure too, but I found solving a problem myself and then seeing others solutions on this website https://4clojure.oxal.org/ was invaluable for learning to think like a clojurist.

I'm trying to learn Haskell and found https://4clojure.oxal.org/ very helpful. https://tryhaskell.org/ was also nice, but it is limited in scope as compared to its Clojure equivalent.

The actual address is https://4clojure.oxal.org/

The old 4Clojure site is not available any longer. I can (in a highly biased way) recommend using Rich4CLojure in the comfort of your favorite editor.

I've been messing with Clojure/ClojureScript for a few years having previously had zero Lisp experience. Overall, I think Clojure does a good job of being both practical and lispy. It's a language that is for building real things.

I've been focusing on ClojureScript (https://clojurescript.org/) as you get the benefit of interoperating with the Javascript ecosystem. The fact that there's a strong community around both Javascript hosted and Java hosted gives a wealth of library options.

Overall, the tooling has been getting a lot closer to the sort of experience that contemporary developers expect. The Calva plugins integration with Visual Studio (https://calva.io/) makes it easy to get started - you can even run it online with gitpod (https://github.com/PEZ/rich4clojure).

That just leaves learning the language - the slight changes in syntax (brackets for different data types) definitely help early on, and for the most part Clojure discourages people going down the path of macros which means reading other peoples code is reasonably accessible. The main struggle is that it's a language used by a lot of advanced or full-time developers, so documentation is pretty dense and it can take a real commitment to understand the detail.

It may not be 'correct' enough if you're coming from other Lisps, but coming the other way from C/Python etc I've found it an accessible and practical option.

Rich 4Clojure (editor/IDE based 4Clojure with a zero-install option)

(And arlier this week I did an adaption of Rich 4Clojure, adding a zero-install option there as well.)

A cheap (in terms of effort and impact on your computer) way to see how you like Calva is to try the Gitpod option of Rich 4Clojure: https://github.com/PEZ/rich4clojure