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What is a good use case for uncaught_exception?
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Return type of uncaught_exception() is bool.
std::terminate() is called by the C++ runtime when the program cannot continue for any of the following reasons: 1) an exception is thrown and not caught (it is implementation-defined whether any stack unwinding is done in this case)
The terminate( ) function If no handler at any level catches the exception, the special library function terminate( ) (declared in the <exception> header) is automatically called. By default, terminate( ) calls the Standard C library function abort( ) , which abruptly exits the program.
A C++ exception is a response to an exceptional circumstance that arises while a program is running, such as an attempt to divide by zero. Exceptions provide a way to transfer control from one part of a program to another. C++ exception handling is built upon three keywords: try, catch, and throw.
Herb Sutter seems to give good advice here. He doesn't know of a good use for it and says that some cases where it appears to be useful don't really work.
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