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Re: [gnugo-devel] != EMPTY or IS_COLOR ?

From: Gunnar Farneback
Subject: Re: [gnugo-devel] != EMPTY or IS_COLOR ?
Date: Fri, 12 Oct 2001 08:19:04 +0200
User-agent: EMH/1.14.1 SEMI/1.14.3 (Ushinoya) FLIM/1.14.2 (Yagi-Nishiguchi) APEL/10.3 Emacs/20.7 (sparc-sun-solaris2.7) (with unibyte mode)

Teun wrote:
> In the days of the 2-D board
> != EMPTY implied BLACK || WHITE.
> With the 1-D board it can also mean GRAY,
> unless you made sure that the point is ON_BOARD.
> This patch defines a new macro IS_COLOR and as
> an example replace != EMPTY tests in worm.c
> with IS_COLOR tests. I think this is
> safer in the long run

That's quite possible, but wouldn't IS_STONE be a more intuitive name
for detecting a stone of either color?


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