File: stableptr004.hs

package info (click to toggle)
ghc 9.0.2-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 177,780 kB
  • sloc: haskell: 494,441; ansic: 70,262; javascript: 9,423; sh: 8,537; python: 2,646; asm: 1,725; makefile: 1,333; xml: 196; cpp: 167; perl: 143; ruby: 84; lisp: 7
file content (12 lines) | stat: -rw-r--r-- 273 bytes parent folder | download | duplicates (13) 
1
2
3
4
5
6
7
8
9
10
11
12
 
import Foreign.StablePtr

-- compile without optimisation.
-- run with +RTS -D256 to see the stable pointer being garbage collected.

main = do
  let xs = [ 1 .. 50000 ]
  let ys = [ 1 .. 60000 ]
  s1 <- newStablePtr xs
  print (sum xs)
  freeStablePtr s1
  print (sum ys)