(C++11) As usual when dealing with the const keyword, changing the location of the const key word in a C++ statement has entirely different meanings. The above usage of const only applies when adding …

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 …

A clever compiler can generate the constant 720 for a call fac(6). The possibility of mutually recursive inline functions, inline functions that recurse or not depending on input, etc., makes it impossible to …

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 …

Meaning of a Const Member Function in C++ Common Knowledge: Essential Intermediate Programming gives a clear explanation: The type of the this pointer in a non-const member function of a class X is …

As of C++14, the rules are more relaxed, what is allowed since then inside a constexpr function: asm declaration, a goto statement, a statement with a label other than case and default, try-block, the …

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 …

Jan 2, 2014 · 71 but how about inline methods inside a class ? Both syntaxes for inlining functions (using explicit inline and defining member-function inside class definition) provides only hint about …

Aug 20, 2008 · Friend functions and classes provide direct access to private and protected members of class to avoid breaking encapsulation in the general case. Most usage is with ostream: we would like …