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October 2005

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Re: [cells-gtk-devel] Re: [cells-devel] Use of :initform c? and c-in
by Kenny Tilton 08 Oct '05

08 Oct '05

Peter Denno wrote: >On Tuesday 04 October 2005 15:42, you wrote: > > >>I would like to see depht-first in the documentation, not the name. >> >> > >I'll hope to continue our conversation after I get some other work out of the >way. I have written a bit more documentation, but it isn't done yet. > >;;; Norvig's search routines > I stopped reading Norvig after the first or second chapter. Not impressed. Hell, Peter, he switched to Python! <g> kt -- Kenny Why Lisp? http://wiki.alu.org/RtL_Highlight_Film "I've wrestled with reality for 35 years, Doctor, and I'm happy to state I finally won out over it." Elwood P. Dowd, "Harvey", 1950

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[cells-devel] Use of :initform c? and c-in
by Peter Denno 04 Oct '05

04 Oct '05

Hi kenny, et al., I was just updating the cells-gtk documentation. I am wondering whether I answered this question about using :initform with c? versus c-in correctly, Q: What is the difference between using c-in and c? in a slot's :initform ? A: The usual semantics of :initform do not apply when :initform is given a c? rule. Instead of just setting the value at initialization, when c? is used, the value of the slot is checked and updated using the rule throughout program execution. If you have the time, take a look at the answer to "What is Cells?" too. See: http://common-lisp.net/project/cells-gtk/faq.html BTW, I will soon be rolling out some new capabilities with cells-gtk, including GtkDrawingArea, and bindings for the GDK primitives for drawing. I hope to have a demo that presents a graph and uses cells to update the edges as the user drags the nodes around. I also have a cells-gtk "lisp listener" (or, more usefully, some custom command shell) in the works. -- - Best regards, Peter

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