Andre Nathan wrote: > Hello (Newbie question ahead : > > I tried this for insertProc, but it obviously doesn't work... what would > be the correct way to do this? > >> insertProc :: Pid -> StateT PsMap IO PsInfo >> insertProc pid = do >> proc <- procInfo pid -- XXX this is obviously wrong... >> psMap <- get >> put (Map.insert pid proc psMap) >> return (proc) >
I see that using "lift" makes it compile (Control.Monad.Trans.lift): > insertProc pid = do > proc <- lift (procInfo pid) _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
