c++ Programming Glossary: vptrs

Examples of when a bitwise swap() is a bad idea?

http://stackoverflow.com/questions/11638271/examples-of-when-a-bitwise-swap-is-a-bad-idea

http://stackoverflow.com/questions/2038717/object-size-with-virtual

The sizeof C is 20........ It seems that in this case two vptrs are in the layout.....How does this happen I think the two vptrs.. are in the layout.....How does this happen I think the two vptrs one is for class A and another is for class B....so there is.. class C My question is what's the rule about the number of vptrs in inheritance 2 virtual inheritance class A public int a virtual..

Virtual dispatch implementation details

http://stackoverflow.com/questions/3972548/virtual-dispatch-implementation-details

I do understand that there is no notion of vtables and vptrs in the C standard . However I think that virtually all implementations.. this mean that if a class has two bases then it has two vptrs What is happening in this case try to describe in a similar.. this mean that if a class has two bases then it has two vptrs What is happening in this case Typically compilers compose a..

Number of Virtual tables and Virtual Pointers in a C++ Program

http://stackoverflow.com/questions/8932032/number-of-virtual-tables-and-virtual-pointers-in-a-c-program

A a1 B b1 My question is how many vtables and how many vptrs will be created when we run this program c virtual vtable vptr.. with extra info in it. This may result in needing multiple vptrs per object. The virtual keyword in B is irrelevant if the function..