bug2005.cpp

teach yourself C++ in 21 days 第五版

#include "stringc.h"          // our string class

class xOutOfMemory
{
  public:
     xOutOfMemory( const String& where ) : location( where ){}
     ~xOutOfMemory(){}
     virtual String where(){ return location };
  private:
     String location;
}

int main()
{
     try 
     {
          char *var = new char;
          if ( var == 0 )
               throw xOutOfMemory();
     }
     catch( xOutOfMemory& theException )
     {
          cout << "Out of memory at " << theException.location() << "\n"endl;
     }
     return 0;
}