CS253 IQ 08

Show Main.IQ08 as a slide show.

Reflection

int zulu;
cout << typeid(zulu).name() << '\n';

i

What will this code emit?

1. int zulu
2. int
3. zulu
4. i
5. It cannot be determined.

Virtual Inheritance

What problem does virtual inheritance address?

1. Stroustrup’s Syntax Sin
2. Polymorphic Pointers
3. Namespace Numbering
4. Method Mangling
5. Dreaded Diamond

Dreaded Diamond: A inherits from B & C, B & C both inherit from D.

Programming Paradigms

Which statement is true?

1. Makefiles are event-driven.
2. C++ is event-driven.
3. Spreadsheets are imperative.
4. Graphics programs are declarative.
5. Object files are declarative.

Exceptions

What sort of argument can throw take?

1. only std::Exception and classes derived from it
2. any scalar or object
3. any scalar or copy-constructable object
4. any object
5. any copy-constructable object

anything: any scalar, any object

Exceptions

int main() {
    throw 42;
    cout << "honeybee\n";
}

terminate called after throwing an instance of 'int'
SIGABRT: Aborted

What will this program display?

Once it throws, nothing else happens in that code.