#! /usr/bin/env -S"ANSWER=42" nix-shell #! nix-shell -p ghcid #! nix-shell -p "haskellPackages.ghcWithPackages (p: with p; [shower])" #! nix-shell -i "ghcid -c 'ghci -Wall' -T main" {-# LANGUAGE OverloadedStrings #-} main :: IO () main = do putStrLn "Day 8 - Part 1"