https://nokomprendo.gitlab.io/posts/tuto_fonctionnel_42/2019-12-22-en-README.html

Like many programming languages, Haskell has no official IDE. However, there are some classic tools: Emacs + Intero/Dante, Vim + Ghcid, IntelliJ-Haskell…

Recently, VSCode (combined with HIE and Stack) is gaining more and more attention. It has many of the features that we can expect in an IDE: syntax highlighting, code navigation, documentation, completion… This post explains how to install and configure VSCode for Haskell, using Debian, Debian + Nix and NixOS.