TRUE and FALSE

[Al Dunbar]

In article <23970:Sep505:16:2390 at kramden.acf.nyu.edu>, brnstnd at kramden.acf.nyu.edu (Dan Bernstein) writes:
>In article <5398 at harrier.ukc.ac.uk> mtr at ukc.ac.uk (M.T.Russell) writes:
>> To the people complaining about `if (x == TRUE)': YOU ONLY USE `TRUE' AND
>> `FALSE' FOR ASSIGNMENT AND PARAMETER PASSING.  It's a fairly simple rule.
>
>Usage: truefalse flagfoo; set_true(&flagfoo); if (is_true(flagfoo)) ...
ARGH! the "is_true" is understood, and redundant ! 'if (flagfoo)'
means 'if flagfoo is true', in the same way that the following
two sentences mean (almost) exactly the same thing in English:
 
1) If it is raining you will get wet.
 
2) If it is true that it is raining you will get wet.
 
The is_true() macro is almost as useful as a macro you might
write to return the numeric value of its argument, i.e.:
 
a = value_of( b ) + value_of( c );
 
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Al Dunbar          |
Edmonton, Alberta  |   this space for rent
CANADA             |
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