Modern C++ Programming Cookbook

How it works...

As of C++17, exception specification is part of the function type, but not part of the function signature; it may appear as part of any function declarator. Because exception specification is not part of the function signature, two function signatures cannot differ only in the exception specification. Prior to C++17, exception specification was not part of the function type and could only appear as part of lambda declarators or top-level function declarators; they could not appear even in typedef or type alias declarations. Further discussions on exception specification refer solely to the C++17 standard.

There are several ways in which the process of throwing an exception can be specified:

• If no exception specification is ...