That's an old-style conjunction. Isn't it the same as bind =: @:
? Henry Rich Devon McCormick wrote: > Is it this one? > > bind=: 2 : 'x@(y"_)' > > from stlib - guess I did have it defined but the function gets a syntax > error anyway on the assignment of sys_timer_. > > > On Mon, Dec 15, 2008 at 6:48 PM, Devon McCormick <[email protected]> wrote: > >> Dan - what's "bind" do? I don't have this defined. >> >> Regards, >> >> Devon >> >> >> On Mon, Dec 15, 2008 at 6:20 PM, Dan Bron <[email protected]> wrote: >> >>> Roelof wrote: >>>> I tried the above and I have the same problem as before >>> Yes, I too get a blank image & file. I don't get the freeze though. >>> Sorry >>> for not testing my suggestion before I made it. >>> >>> I wonder why 9!:27'theSentence' is different from executing theSentence >>> directly in the IJX window. My suspicion is that control doesn't pass >>> back from the J engine (j.dll) to the JFE (j.exe) until after the immex >>> phrase has completed. >>> >>> That is, in the situation where you enter a phrase in the IJX window, >>> press >>> enter, then enter another phrase, then enter again, from the first enter >>> to the second, control has passed from j.dll to j.exe and back to j.dll. >>> I speculate that in the case of 9!:27 j.dll checks the immex flag before >>> it returns control to j.exe (executing a phrase if appropriate), and so >>> this round trip is avoided. However, in Roelof's case, the transfer of >>> control is required, as j.exe has the responsiblity of painting graphics. >>> >>> Which makes me think his aims might be acheived via a different >>> indirection: >>> >>> vm =: verb define >>> viewmat i. 16 16 >>> wd 'timer 500' >>> sys_timer_z_ =: 'timer 0' wd@:[ savemat_jviewmat_ bind >>> 'C:\immex0.bmp' >>> ) >>> >>> vm'' >>> >>> This works, which seems like corroboration of my hypothesis (j.exe owns >>> wd, >>> and hence control must pass back to it before timer events can fire, so we >>> get the requisite round trip). >>> >>> -Dan >>> ---------------------------------------------------------------------- >>> For information about J forums see http://www.jsoftware.com/forums.htm >>> >> >> >> -- >> Devon McCormick, CFA >> ^me^ at acm. >> org is my >> preferred e-mail >> >> > > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
