File: CallStack.hs

package info (click to toggle)
haskell-basement 0.0.16-4
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,044 kB
  • sloc: haskell: 11,336; ansic: 63; makefile: 2
file content (24 lines) | stat: -rw-r--r-- 413 bytes parent folder | download | duplicates (5) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
{-# LANGUAGE CPP #-}
{-# LANGUAGE ImplicitParams #-}
{-# LANGUAGE ConstraintKinds #-}
module Basement.Compat.CallStack
    ( HasCallStack
    ) where

#if MIN_VERSION_base(4,9,0)

import GHC.Stack (HasCallStack)

#elif MIN_VERSION_base(4,8,1)

import qualified GHC.Stack

type HasCallStack = (?callStack :: GHC.Stack.CallStack)

#else

import GHC.Exts (Constraint)

type HasCallStack = (() :: Constraint)

#endif