haskell-src-meta-0.8.0.3: tests/Splices.hs

{-#LANGUAGE TemplateHaskell#-}
-- | Tests stuff mostly by just compiling correctly
import Language.Haskell.Meta


----- Testing names:

-- Test that the unit constructor works
$(either error return $ parseDecs 
      "unit :: IO ()\nunit = return ()")

-- Testing that the [] constructor works in types, 
$(either error return $ parseDecs 
      "nilp :: [a] -> ([] a)\nnilp [] = []")

$(either error return $ parseDecs 
      "pair :: (,) Int Int\npair = (,) 1 2")



-- Just to check that it works as intended
main = do
  () <- unit
  [] <- return (nilp [])
  (1,2) <- return pair
  return ()