Homework solutions for UPenn's CIS 194:
http://www.seas.upenn.edu/~cis194/lectures.html
On a mac:
brew install haskell-stack
stack setup
cd cis194
stack init
stack test
stack test
:m +Test.QuickCheck
:l src/Cis194/Hw/Week1.hs
-- define a fx that generates data
let negInts = choose(-10000000, -1)
-- define a Property that runs function and asserts something about result
let toDigitsEmpty x = (toDigits x) == []
-- run QuickCheck to validate property
quickCheck (forAll negInts toDigitsEmpty)