Haskell Courses

TODO

• todo

Prerequisites

• The GHCup Haskell installer, version latest

    brew install ghcup

• ghcup configuration, in ~/.zshrc add the following configuration

export PATH="$HOME/.ghcup/bin:$PATH"

    ghcup tui # to easily setup the haskell toolchain

• or better install tools one by one

ghcup install ghc recommended
ghcup set ghc recommended

ghcup install stack recommended
ghcup set stack recommended

ghcup install cabal recommended
ghcup set cabal recommended

ghcup install hls recommended
ghcup set hls recommended

• Test the installation of the toolchain

ghc --version
ghci --version
stack --version
cabal --version

• Toolchain

"haskell.toolchain": {
    "hls": "latest",
    "cabal": "latest",
    "ghc": "latest",
    "stack": "latest"
},

Cabal basic commands

• update index from hackage

cabal update

• install dependencies

cabal install

• build

cabal build

• run

cabal run

• test REST Web Endpoints

curl -v http://localhost:9090/hello

• repl

cabal repl

• test

cabal test
cabal test --test-show-details=direct