useful functions for you to write template Haskell code
some examples ** Prettyprint
> runQ [| (1+1) * 5|] >>= pp -- or use
> printiQ [| (1+1) * 5|]
InfixE (Just InfixE (Just LitE (IntegerL 1))
(VarE (Name (OccName "+")
(NameG' VarName
(PkgName "base")
(ModName "GHC.Num"))))
(Just LitE (IntegerL 1)))
(VarE (Name (OccName "*")
(NameG' VarName
(PkgName "base")
(ModName "GHC.Num"))))
(Just LitE (IntegerL 5))
** Other helper functions
-- | Apply a list of expression [(+), 1, 2] to (+) 1 2
appExp :: [ExpQ] -> ExpQ
-- | Apply a type constructor, convert [a, b, c] to a b c
appConT :: [TypeQ] -> TypeQ
-- | convert [a, b, c] to a -> b -> c
curryType :: [TypeQ] -> TypeQ