asdf plugin-add haskell https://github.com/vic/asdf-haskell.git
This plugin will create a local Stack installation
stack/ directory) to manage GHC versions. So you dont need to have already installed stack.
runhaskell will be available on your path.
# If you need to install a package that produces binaries stack install cabal-install # Be sure to execute reshim afterwards to get them in your path asdf reshim haskell
Check asdf readme for instructions on how to install & manage versions of Haskell.