Spata ===== bruteforce form validation Demo ==== put following in `test.hs` import Network.Spata import MPS.Env import Prelude () inputs = [("a", "1"), ("b", "2"), ("c", "")] main = print - guard inputs - do validate inclusion_of ["a", "b", "c"] validate presence_of ["c"] `runghc test.hs` should output Left "c can not be empty"