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After recently setting up a new machine and going through the exercise of setting up a development environment for the nth time, I was frustrated by having to install and configure all of my plugins and dependencies to support auto-completion, syntax highlighting, and the other niceties I’ve come to enjoy with Vim. Looking for an alternative, I was drawn to Visual Studio Code (VS Code) with the VSCodeVim extension. Combining Vim key-bindings with Code’s excellent extension marketplace, I was able to recreate and in some cases improve the development environment I enjoyed as a Vim user in VS Code. This blog post continues that discovery by setting up a brand new OCaml project and development environment in VS Code. ...

This post covers some of the major features of OCaml while solving Problem 1 from Project Euler. If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23. Find the sum of all the multiples of 3 or 5 below 1000. Let’s get started on this problem by looking at the math facilities provided by OCaml. Start a new interactive session using utop. ...

opam — the OCaml Package Manager — is the tool for installing OCaml and any OCaml tools and libraries. This blog post shows us how to set-up opam to install the OCaml compiler and development tools to support your workflow. Working with Windows The OCaml tools are typically well supported on Linux, with macOS ports available of most binaries. If you are on a Windows, the best supported environment is the Windows Subsystem for Linux. ...

I was first introduced to ML through the Coursera Programming Languages course. After the initial learning curve, I was impressed by the power of the type system and the flexibility of pattern matching. I’ve been wanting to resume my education in functional programming, and am picking up OCaml for a personal project I’m working on. Diving into the OCaml ecoystem, I was drawn to Reason, a new syntax for OCaml, and BuckleScript a compiler that integrates OCaml with the JavaScript ecosystem. The relationship between Reason, BuckleScript, and OCaml can difficult to understand, leading to this blog post about the OCaml compiler pipeline that highlights the intersection between OCaml and BuckleScript. ...