    {-# LANGUAGE Safe #-}
    {-# OPTIONS_HADDOCK not-home #-}

    -- |
    --
    -- Module      :  GHC.Stack.Types
    -- Copyright   :  (c) The University of Glasgow 2015
    -- License     :  see libraries/ghc-prim/LICENSE
    --
    -- Maintainer  :  ghc-devs@haskell.org
    -- Stability   :  internal
    -- Portability :  non-portable (GHC Extensions)
    --
    -- Type definitions for implicit call-stacks.
    -- Use "GHC.Stack" from the base package instead of importing this
    -- module directly.
    --
    -- /The API of this module is unstable and not meant to be consumed by the general public./
    -- If you absolutely must depend on it, make sure to use a tight upper
    -- bound, e.g., @base < 4.X@ rather than @base < 5@, because the interface can
    -- change rapidly without much warning.
    --

    module GHC.Stack.Types
        (-- *  Implicit call stacks
         CallStack(..),
         HasCallStack,
         emptyCallStack,
         freezeCallStack,
         fromCallSiteList,
         getCallStack,
         pushCallStack,
         -- *  Source locations
         SrcLoc(..)
         ) where

    import GHC.Internal.Stack.Types