Talk:Physical equality
From HaskellWiki
(Difference between revisions)
| Line 2: | Line 2: | ||
--[[User:Lemmih|Lemmih]] 15:00, 29 July 2006 (UTC) | --[[User:Lemmih|Lemmih]] 15:00, 29 July 2006 (UTC) | ||
| + | |||
| + | |||
| + | No need to talk about OCaml's nan: | ||
| + | Prelude> 0/0 | ||
| + | NaN | ||
| + | Prelude> 0/0 == 0/0 | ||
| + | False | ||
Revision as of 16:10, 29 July 2006
GHC already has physical equality testing via GHC.Exts.reallyUnsafePtrEquality#
--Lemmih 15:00, 29 July 2006 (UTC)
No need to talk about OCaml's nan:
Prelude> 0/0
NaN
Prelude> 0/0 == 0/0
False
