Now using M.intersectionWith, so no need for Data.Set
-rw-r--r-- 461 .gitignore
-rw-r--r-- 4290 README.html
-rw-r--r-- 2972 README.md
-rw-r--r-- 46 Setup.hs
-rw-r--r-- 45 advent-of-code.sublime-project
drwxr-xr-x - advent01
drwxr-xr-x - advent02
drwxr-xr-x - advent03
drwxr-xr-x - data
-rw-r--r-- 2612 modest.css
drwxr-xr-x - problems
drwxr-xr-x - src
-rw-r--r-- 2255 stack.yaml