17 Dec
2007
17 Dec
'07
4:22 p.m.
On Dec 17, 2007 1:04 PM, Brandon S. Allbery KF8NH
On Dec 17, 2007, at 15:41 , Brent Yorgey wrote:
Yes, and in fact, you don't even need foldM. The only thing that actually uses IO is the readFile, so ideally
Actually, a quick check indicates that the regex functions used in getProcInfo are in IO as well (?!).
Those functions look pure to me: GHCi, version 6.8.1: http://www.haskell.org/ghc/ :? for help Loading package base ... linking ... done. Prelude> :m +Text.Regex Prelude Text.Regex> :t matchRegex . mkRegex matchRegex . mkRegex :: String -> String -> Maybe [String]