initial setup

sander/AoC 2025

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+-- AOC 2025 - Sander
+
+-- so for those wondering about how I run this Haskell code, here's the setup:
+-- 1) install GHCup as instructed from https://www.haskell.org/ghcup/
+-- 2) save this haskell file and your AOC input file in some directory on your computer
+-- 3) rewrite the "main" function with the location of your AOC input file
+-- 4) rewrite "print contents" in the "main" function to use the function(s) you've made to process the input file ("contents") from that day correctly
+-- 5) run Command Prompt, go to the directory of your files (with "cd" command) and run the command "ghci AOC2025.hs"
+-- 6) run command "main"
+-- 7) if your functions are correct, you'll get the correct answer! 
+
+import System.IO
+import Control.Monad
+
+main :: IO()
+main = do handle <- openFile "C:/Users/[your directory here]/d1.txt" ReadMode
+          contents <- hGetContents handle
+          print contents
+          hClose handle
+
+-- Day 1: ...
+
+-- Part One
+
+doday1_1 :: String -> String
+doday1_1 input = undefined
+
+-- Part Two
+
+doday1_2 :: String -> String
+doday1_2 input = undefined