Re: [Haskell-cafe] Is StateT what I need?

On Dec 17, 2007, at 14:33 , Andre Nathan wrote:

...

insertProc :: Pid -> StateT PsMap IO PsInfo insertProc pid = do proc <- procInfo pid -- XXX this is obviously wrong...

proc <- lift $ procInfo pid

...

psMap <- get put (Map.insert pid proc psMap)

modify (Map.insert pid proc) -- same as the above but cleaner

...

return (proc)

-- brandon s. allbery [solaris,freebsd,perl,pugs,haskell] allbery@kf8nh.com system administrator [openafs,heimdal,too many hats] allbery@ece.cmu.edu electrical and computer engineering, carnegie mellon university KF8NH