Demonstrating stack unwinding.

  
#include <iostream>
#include <stdexcept>

using std::cout;
using std::endl;


using std::runtime_error;

void function3() throw ( runtime_error )
{
   throw runtime_error( "runtime_error in function3" );
}

void function2() throw ( runtime_error )
{
   function3();
}

void function1() throw ( runtime_error )
{
   function2();
}

int main()
{
   try {
      function1();
   }catch ( runtime_error e ){
      cout << "Exception occurred: " << e.what() << endl;
   }

   return 0;
}

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Demonstrating stack unwinding. : Throw « Language « C++

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