Nov 5, 2014 · How are virtual functions implemented at a deep level? From "Virtual Functions in C++": Whenever a program has a virtual function declared, a v - table is constructed for the class. The v …

Aug 19, 2015 · Is there a preferred way to return multiple values from a C++ function? For example, imagine a function that divides two integers and returns both the quotient and the remainder. One …

505 In C++11 you have two new options, as the Variadic arguments reference page in the Alternatives section states: Variadic templates can also be used to create functions that take variable number of …

Mar 6, 2010 · Virtual functions avoid unnecessary typecasting problem, and some of us can debate that why do we need virtual functions when we can use derived class pointer to call the function specific …

You use virtual functions when you want to override a certain behavior (read method) for your derived class rather than the one implemented for the base class and you want to do so at run-time through …

May 26, 2020 · When C++ was invented, it allowed for compatibility and reuse of C functions, so it was written as a superset of C, allowing C++ to call all the C library functions.

Aug 13, 2010 · 140 C++ functions can't return C-style arrays by value. The closest thing is to return a pointer. Furthermore, an array type in the argument list is simply converted to a pointer.

Mar 6, 2013 · B. 'static' keyword used for functions in terms of functions, the static keyword has a straightforward meaning. Here, it refers to linkage of the function Normally all functions declared …

7 C++ structs can definitely have member functions. C structs, on the other hand, are a much different beast -- they're essentially arrays that provide names and type information for certain indicies.

Aug 4, 2021 · The C++ Standard does contain a list of all names in the Standard Library. I don't think you will find it particularly helpful, there are far too many to find anything by reading through the …