Complete Modern C++ - noexcept

The video tutorial discusses changes in exception handling from C++98 to C++17. Initially, C++98 allowed functions to specify the types of exceptions they could throw, but this feature was not widely used and was deprecated in C++11 in favor of the noexcept keyword. C++17 removed the feature entirely. The tutorial also covers issues with function pointers and exception specifications, highlighting how C++17 addresses these by enforcing stricter type checks to prevent errors.

What was the main reason for deprecating exception specifications in C++11?

• They were incompatible with modern compilers.

• They caused programs to run slower.

• They were not widely used in the industry.

• They were too complex to implement.

In C++11 and C++14, what was a potential issue with noexcept not being part of a function's type?

• It could lead to syntax errors.

• It could cause memory leaks.

• It could make code unreadable.

• It could result in function pointers not guaranteeing exception safety.

How does C++17 handle function pointers with different exception specifications?

• It allows them without any restrictions.

• It issues a warning but allows compilation.

• It treats them as an error due to type mismatch.

• It automatically adjusts the exception specifications.

What happens if you initialize a function pointer with a function that has a different exception specification in C++17?

• The exception specification will be ignored.

• The compiler will throw an error.

• The function will not execute.

• The program will crash.

Why is it not a problem to initialize a function pointer without an exception specification in C++17?

• Because it prevents any exceptions from being thrown.

• Because it allows any function to be invoked.

• Because it automatically adds noexcept.

• Because it improves performance.