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[REBOL] Re: On mutability and sameness

From: agem:crosswinds at: 7-Jun-2001 18:57

>>>>>>>>>>>>>>>>>> Ursprüngliche Nachricht <<<<<<<<<<<<<<<<<<
Am 07.06.01, 14:47:15, schrieb Joel Neely <[joel--neely--fedex--com]> zum Thema [REBOL] Re: On mutability and sameness:
> Hello, all! > Of course, the point of all this discussion of mutability, > representation, etc. is not merely idle speculation. The > goal (at least for me) is to develop the simplest possible > (accurate!) model of REBOL data type behavior. > It must be "simplest" to maximize learnability. > It must be "accurate" to allow correct interpretation and > prediction of the behavior of a piece of REBOL code, based > on reading the code and not by trial-and-error experiment. > So... Here's a revised cut based on what's been said thus > far in this thread. > > Class of data SAME?-ness EQUAL?-ity Values > Sample types in class based on based on mutable? > ======================== ========== ========== > Atomic scalar data value data value no > CHAR!, INTEGER! > Composite scalar data value data value yes, via > DATE!, TIME! refinemts > Built-in reference reference content yes > STRING!, BLOCK! comparison comparison > User-defined reference reference unsupported yes > OBJECT! comparison (always false) > =============================================================
and suddenly i see a clear picture of what i was trying to explain. Wonderfull! hm, maybe we should put the need for [new: copy []] somewhere in? its redundant with data/reference, but fits somehow? just an idea.
> Comments, changes, corrections welcome. > Next step -- place all REBOL data types at the correct spot in > the above table.
have done [help datatype!] already. now putting this in a block with 1/2/3/4 for type. then some dump-routine.. /view or <html> ?
> -jn-