Have you looked at M. ? http://www.jsoftware.com/help/dictionary/dmcapdot.htm
----- Original Message ----- From: Tracy Harms <[EMAIL PROTECTED]> Date: Saturday, November 29, 2008 5:02 Subject: [Jprogramming] Functional solutions to side-effect dependencies To: Programming forum <[email protected]> > Viktor Cerovski <[EMAIL PROTECTED]> wrote: > > > [I]n fact, monads are exactly > > the solution to the problem of how to introduce stateful > > functions (or, in other words, side-effects) into a pure-functional > > language. > > > > Taking tacit expression as a pure-functional portion of the J > language, how can this solution be effected? For some > weeks I've been > trying, unsuccessfully, to envision J equivalents to Haskell's monads > and arrows. > > It may be that because J is a multi-paradigm language there is no > possibility of a parallel, but I don't find that idea plausible. The > limited functional purity of J may make such solutions > unattractive or > awkward, but since there is a rather clear-cut range within which > functional purity is maintained, my guess is that the technique you > applaud can be accomplished in J. ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
