> Mailing-List: contact [EMAIL PROTECTED]; run by ezmlm > Date: Wed, 11 Dec 2002 17:24:54 -0800 > From: Dave Storrs <[EMAIL PROTECTED]> > Mail-Followup-To: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> > Content-Disposition: inline > X-SMTPD: qpsmtpd/0.20, http://develooper.com/code/qpsmtpd/ > > On Thu, Dec 12, 2002 at 10:35:47AM +1100, Damian Conway wrote: > > Dave Storrs wrote: > > > - the ability for the programmer to set "limiters" (??better name??) > > > on the junction, which will specify how the junction should > > > collapse--e.g. always collapse to the lowest/highest value that hasn't > > > been supplied yet, or to the lowest/highest unsupplied value that > > > causes a particular code block to return true, or whatever. > > > > Junctions don't "collapse". They distribute. > > > > Remember: Junctions Aren't Quantum. > > Ah. Obviously, I don't know JAQ. (sorry) > > However, I don't believe this answers my question...or, more likely, I > am just misunderstanding junctions. I believe that this code: > > my $i = one(7...); > print $i; > > Is roughly equivalent to this English: > > - declare a lexical variable $i > - create a junction. The states of the junction are (7..Inf). The > type of the junction is "one" > - assign the junction to $i > - distribute the junction [that still doesn't sound right, but ok] by > choosing one of the states (at random??) > - print the number chosen in the previous step.
No collapsing. Not without an explicit .pick. It would call C<print> with each of the values of $i (unless print was designed to accept a junction, in which case you'd get some stringification/serialization of the junction). C<print> would return a one() junction of whatever print returned after printing each value, but what do you care, they're all in the garbage anyway? :) > First of all, am I correct about this? No. As I just explained. > Second, what I was originally asking is this: could there be some way > for the programmer to attach a (method/code block/sub/whatever) to the > junction, such that when the state is chosen, the default method of > choosing a state is overriden by the code supplied by the programmer. Your question is now irrelevant. Luke
