Side-effects can be important : Operators « Language Basics « C# / C Sharp

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Side-effects can be important

 
/*
C#: The Complete Reference 
by Herbert Schildt 

Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/
// Side-effects can be important. 
 
using System; 
 
public class SideEffects {    
  public static void Main() {    
    int i; 
 
    i = 0; 
 
    /* Here, i is still incremented even though 
       the if statement fails. */ 
    if(false & (++i < 100)) 
       Console.WriteLine("this won't be displayed"); 
    Console.WriteLine("if statement executed: " + i); // displays 1 
 
    /* In this case, i is not incremented because 
       the short-circuit operator skips the increment. */ 
    if(false && (++i < 100)) 
      Console.WriteLine("this won't be displayed"); 
    Console.WriteLine("if statement executed: " + i); // still 1 !! 
  }    
}

           
         
  

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