What does it mean to have a using inside a class definition?
class myClass {
public:
[...]
using anotherClass::method;
};
The using keyword is used to: Bring a specific member from the namespace into the current scope. Bring all members from the namespace into the current scope. Bring a base class method or variable into the current class's scope.
Master C and Embedded C Programming- Learn as you go A class is used to specify the form of an object and it combines data representation and methods for manipulating that data into one neat package. The data and functions within a class are called members of the class.
How can we write main as a class in C++? As it is already known that main() method is the entry point in any program in C++, hence creating a class named “main” is a challenge and is generally not possible.
That declaration unhides a base class member. This is most often used to allow overloads of a member function. Example:
class Base {
public:
void method() const;
};
class Derived : public Base {
public:
void method(int n) const;
// Without the using, you would get compile errors on d.method();
using Base::method;
};
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