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  Reference for Processing (BETA) version 91+. If you have a previous version, use the reference included with your software. If you see any errors or have any comments, let us know.  
Name  

! (logical NOT)

   
Examples   
boolean a = false; 
if (!a) { 
  rect(30, 20, 50, 50); 
} 
a = true; 
if (a) { 
  line(20, 10, 90, 80); 
  line(20, 80, 90, 10); 
}
Description   Inverts the Boolean value of an expression. Returns true if the expression is false and returns false if the expression is true. If the expression (a>b) evaluates to true, then !(a>b) evaluates to false.
   
Syntax   
!expression
   
Parameters  
expression   any valid expression
   
Usage   Web & Application
   
Related   || (logical OR)
&& (logical AND)
if()
  
 






    
 
Updated: Fri Jul 15 16:35:45 PDT 2005
 
 
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  Processing is an open project initiated by Ben Fry and Casey Reas  
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