Boolean values: Difference between revisions

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See https://wiki.freepascal.org/Boolean
 
While you can assign values to true and false, it has now nothing to do with the boolean values....
Try with this function:
 
FUNCTION IsNatural ( CONST num: VARIANT ): BOOLEAN;
 
BEGIN
 
IsNatural := ( num > 0 );
 
END;
 
</lang>
Retrieved from "https://rosettacode.org/wiki/Boolean_values"