Difference between revisions of "Boolean"

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(Redirected page to References#boolean flag)
 
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== Overview ==
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#REDIRECT [[References#boolean_flag]]
 
 
Empty string (unset option) or '''0''' means FALSE.
 
 
 
'''1''' means TRUE.
 
 
 
== Details ==
 
 
 
Option values are interpreted with [http://perldoc.perl.org/perlsyn.html#Truth-and-Falsehood Perl's Truth and Falsehood] rules.
 
 
 
Boolean options MAY be extended in future. In such a case, values of '''0''' and '''1''' SHOULD preserve the old behaviour, and more values MAY be added.
 
 
 
== API ==
 
 
 
There is no API per se, just use usual Perl's logic operators.
 
 
 
=== Examples ===
 
 
 
if ($config{useDeadlyRay}) { ...
 
 
 
[[Category:Reference]]
 
__NOTOC__
 

Latest revision as of 19:16, 6 July 2019