[REBOL] Re: syntax across languages
From: g:santilli:tiscalinet:it at: 15-Nov-2003 14:03
Hi Anton,
On Saturday, November 15, 2003, 1:21:46 PM, you wrote:
AR> add: func [a b][a + b]
AR> mul3: func [a][a * 3]
AR> add-mul3: func [a b][mul3 add a b]
These are two ways to do it in REBOL:
f*g: func [f g] [func [x] compose [(:f) (:g) x]]
f*g: func [f g] [func [x] use [f' g'] [f': :f g': :g [f' g' x]]]
so that:
add2: func [x] [x + 2]
mul3: func [x] [x * 3]
add2-mul3: f*g :mul3 :add2
Regards,
Gabriele.
--
Gabriele Santilli <[g--santilli--tiscalinet--it]> -- REBOL Programmer
Amiga Group Italia sez. L'Aquila --- SOON: http://www.rebol.it/
