Haskell Installation

Its not as easy as installing node, but the docs made it clear and straightforward. There are 2 different ways to setup Haskell on your computer, using GHC or Stack. In this tutorial, we will use GHC (Glasgow Haskell Compiler).

There are 2 different ways to setup ghc on your computer. Depends on your Operating System; Widows or Linux/OS X/FreeBSD. You appear to be running Not known.

Linux, OS X and FreeBSD

1. Install GHC, cabal-install and haskell-language-server via GHCup.

GHCup

Repository

ghcup is an installer for the general purpose language Haskell. Get started by installing ghcup.

Installing ghcup

curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | sh

Make sure GHCup, GHC, Cabal is installed by running

ghcup --version
ghc --version
cabal --version

It should print

The GHCup Haskell installer, version v0.1.16.2

The Glorious Glasgow Haskell Compilation System, version 8.10.7

cabal-install version 3.4.0.0
compiled using version 3.4.0.0 of the Cabal library

or other version.

Full ghcup functionality via cli:

# list available ghc/cabal versions
ghcup list

# install the recommended GHC version
ghcup install ghc

# install a specific GHC version
ghcup install ghc 8.2.2

# set the currently "active" GHC version
ghcup set ghc 8.4.4

# install cabal-install
ghcup install cabal

# update ghcup itself
ghcup upgrade

Windows

1. Configure Chocolatey on your machine.
2. At an elevated command prompt, run choco install haskell-dev, followed by refreshenv.