On Fri, 2009-04-10 at 07:29 +0400, Miguel Mitrofanov wrote: > On 10 Apr 2009, at 06:30, Jonathan Cast wrote: > > do > > s <- readFile "/my_file" > > writeFile "/my_file" "Hello, world!\n" > > threadDelay 10000 -- If you don't like threadDelay, just > > substitute forcing > > -- an expensive thunk here > > writeFile "/my_file" s > > > > As a function from initial state to final state, this program is just > > the identity; > > No, since world state includes the user state itself, not just files > contents.
My programs are passing me around inside a state token? jcc _______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
