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Tip of the Day
Home » Tip Bank » C++
Language: C++
Expertise: Intermediate
Feb 20, 2002

WEBINAR:

On-Demand

Application Security Testing: An Integral Part of DevOps


Registering a Function with std::set_unexpected


set_unexpected() takes a pointer to a user-defined function of the following type:
 
typedef void (*handler)();

Use set_unexpected() to register a user-defined routine that will be invoked when a function throws an exception not listed in its exception specification, use set_unexpected(). For example:
 
#include <except>
void my_handler() // will be called instead of terminate()
{
 write_to_log("a violation of an exception specification");
 // additional cleanup operations
Danny Kalev
 
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