c-resources/CPlusPlus20ForProgrammers-m.../examples/ch12/fig12_03/fig12_03.cpp

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// fig12_03.cpp
// Rethrowing an exception.
#include <iostream>
#include <exception>
// throw, catch and rethrow exception
void throwException() {
// throw exception and catch it immediately
try {
std::cout << " Function throwException throws an exception\n";
throw std::exception{}; // generate exception
}
catch (const std::exception&) { // handle exception
std::cout << " Exception handled in function throwException"
<< "\n Function throwException rethrows exception";
throw; // rethrow exception for further processing
}
std::cout << "This should not print\n";
}
int main() {
// call throwException
try {
std::cout << "main invokes function throwException\n";
throwException();
std::cout << "This should not print\n";
}
catch (const std::exception&) { // handle exception
std::cout << "\n\nException handled in main\n";
}
std::cout << "Program control continues after catch in main\n";
}
/**************************************************************************
* (C) Copyright 1992-2022 by Deitel & Associates, Inc. and *
* Pearson Education, Inc. All Rights Reserved. *
* *
* DISCLAIMER: The authors and publisher of this book have used their *
* best efforts in preparing the book. These efforts include the *
* development, research, and testing of the theories and programs *
* to determine their effectiveness. The authors and publisher make *
* no warranty of any kind, expressed or implied, with regard to these *
* programs or to the documentation contained in these books. The authors *
* and publisher shall not be liable in any event for incidental or *
* consequential damages in connection with, or arising out of, the *
* furnishing, performance, or use of these programs. *
**************************************************************************/