Exceptional C++ Style 40 New Engineering Puzzles, Programming Problems, and Solutions

Chapter 13. A Pragmatic Look at Exception Specifications

Difficulty: 6

Now that the community has gained experience with exception specifications, it's time to reflect on when and how they should best be used. This Item considers the usefulness, or lack thereof, of exception specifications and how the answers can vary across real-world compilers.

JG Questions

1. What happens when an exception specification is violated? Why? Discuss the basic rationale for this C++ feature.

2. For each of the following functions, describe what exceptions the function could throw.

   int Func();
   int Gunc() throw();
   int Hunc() throw(A,B);
   

Guru Question

1. Is an exception specification part of the function's type? Explain.

2. What are exception specifications, and what do they do? Be ...