speculate-0.2.0: eg/plus-abs.hs

import Test.Speculate

main :: IO ()
main = speculate args
  { constants =
      [ constant "+"   ((+)  :: Int -> Int -> Int)
      , constant "id"  (id   :: Int -> Int)
      , constant "abs" (abs  :: Int -> Int)
      , background
      , showConstant (0::Int)
      , showConstant (1::Int)
      , constant "<="  ((<=) :: Int -> Int -> Bool)
      , constant "<"   ((<)  :: Int -> Int -> Bool)
      ]
  }