Awesome
bartosz-basics-of-haskell
Code and exercises from Bartosz Milewski's Basics of Haskell Tutorial
run
$ ghc --version
The Glorious Glasgow Haskell Compilation System, version 8.0.2
$ ghc sq1.hs
[1 of 1] Compiling Main ( sq1.hs, sq1.o )
Linking sq1 ...
$ ./sq1
10