File: stableptr005.hs

package info (click to toggle)
ghc 9.10.3-3
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 169,076 kB
  • sloc: haskell: 713,554; ansic: 84,184; cpp: 30,255; javascript: 9,003; sh: 7,870; fortran: 3,527; python: 3,228; asm: 2,523; makefile: 2,324; yacc: 1,570; lisp: 532; xml: 196; perl: 111; csh: 2
file content (22 lines) | stat: -rw-r--r-- 612 bytes parent folder | download | duplicates (12)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
-- !!! triggered a temporary bug in freeStablePtr around 20020424

module Main where
import Foreign.StablePtr (newStablePtr, freeStablePtr)

data Foo = A | B | C | D

main :: IO ()
main = do aSPtr <- newStablePtr A
          bSPtr <- newStablePtr B
          cSPtr <- newStablePtr C
          cSPtr' <- newStablePtr C
          freeStablePtr aSPtr
          freeStablePtr bSPtr
          freeStablePtr cSPtr
          freeStablePtr cSPtr'
          aSPtr <- newStablePtr A
          bSPtr <- newStablePtr B
          cSPtr <- newStablePtr C
          dSPtr <- newStablePtr D
          print "Hello World"