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Tip of the Day
Home » Tip Bank » C++
Language: C++
Expertise: Beginner
Mar 8, 2002



Application Security Testing: An Integral Part of DevOps

Exiting a Nested Loop

Sometimes, you need to exit a nested loop early, and the break; statement will only let you exit one level of a loop. Use a flag to indicate if the loop should be exited.
bool abort = false;
for(int i = 0; (i < 100) && (! abort); i++)
   for(int j = 0; (j < 100) && (! abort); j++)
      for(int k = 0; (k < 100) && (! abort); k++)
         if(k == 15)
             abort = true;
      }//end k loop.
   }//end j loop.
}//end i loop.

if (abort)
        // handle premature loop exit here
        // handle normal loop exit here
Kent Schnaith
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