On 2009 Apr 10, at 1:00, Jonathan Cast wrote:
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?
You seem to have redefined "conceptually" to mean "in absolute literalness". -- 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