playground/haskell/template-haskell/staging-restriction/THEg.hs

{-# LANGUAGE TemplateHaskell #-}


import Language.Haskell.TH

import TH

x :: Int
x = 42

$someSplice

z :: String
z = show x


-- import Language.Haskell.TH
-- import Language.Haskell.TH.Syntax

-- someSplice :: Q [Dec]
-- someSplice = [d| y = 0 |]  

-- -- $(someSplice)

-- {-
--     GHC stage restriction:
--       ‘someSplice’ is used in a top-level splice, quasi-quote, or annotation,
--       and must be imported, not defined locally
--   |
-- 9 | $(someSplice)

-- -}