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OCaml on Windows

Installing Opam on Windows

You should now have a functioning OCaml environment ready for development. If you encounter any issues or need further assistance, don't hesitate to consult the OCaml community . You can verify y

OCaml on Windows

Other Installation Environments

OCaml on Windows

WSL2

After you have installed WSL2 and chosen one Linux distribution (we suggest Ubuntu LTS ), you can follow the Installing OCaml: Installation for Linux and macOS steps. If you only need to run O

OCaml on Windows

Docker Images

The ocaml/opam Docker Hub repository now contains regularly-updated Windows images. This includes images using msvc and mingw . If you are comfortable with Docker, this might be an easier w

OCaml on Windows

Editor Support for OCaml on Windows

OCaml on Windows

Visual Studio Code (VSCode)

If you use WSL2 , you will remotely connect to your WSL2 instance from VSCode. Microsoft has a useful blog post that covers getting WSL2 and Visual Studio Code connected. If you use opam instal

OCaml on Windows

Vim and Emacs

If you use Vim , the default Cygwin Vim will not work with Merlin. You will need to install Vim separately. In addition to the usual instructions printed when installing Merlin, you may need to

Fix Homebrew Errors on Apple M1

Fix Homebrew Errors on Apple M1

Install CLT

If they're not installed, let's install them now. You don't have to install all of XCode; you can install just the CLT by downloading them directly from Apple's Developer . Look for a non-beta versi

Fix Homebrew Errors on Apple M1

Disable Rosetta

It's essential to close your current Terminal window and open a new one for it to work properly. Then run the following command. If you get the output shown, you're ready to brew! Close Terminal

Fix Homebrew Errors on Apple M1

Return to Install Tutorial

You're all set to keep learning OCaml! Now that's all sorted, you can return to the Install OCaml tutorial to install and initialise opam.

Using the OCaml Playground

Using the OCaml Playground

Let's Enter Some Code

The output will be the following. That's amazing! You are doing great. Now let's write a short program. I'll be using the code sample that we saw when we entered the playground. - : string = "O

Using the OCaml Playground

Autocomplete

Autocomplete in the OCaml Playground The playground also supports code completion. It helps users by suggesting and completing their input based on the context.

Using the OCaml Playground

Caveat

In contrast, when you separate these expressions with a ;; , like this , or when you bind them to names, like this , they are evaluated successfully, one after another. A little caveat here is

Using the OCaml Playground

Bottom Line

Congratulations! You have made it to the end. Hopefully, by now, you have a better idea how to use the OCaml Playground . Use this to practice the OCaml code and have fun. Happy Hacking!