Hello World in Haskell

When installing with mise, add the plugin

mise plugin add ghc
mise install ghc
mise global ghc@9.10.1

For Homebrew, you can install it using GHCup

brew install ghcup
ghcup install ghc 9.10.1

Write the Hello World code

hello.hs

main = putStrLn "Hello World"

Run it

runghc hello.hs

The interactive shell can be started with ghci

ghci
ghci> "Hello World"
"Hello World"
ghci> :quit