c++ - Assignment operator inheritance - Stack Overflow
The implicitly-defined copy/move assignment operator for a non-union class X performs memberwise copy-/move assignment of its subobjects. The direct base classes of X are assigned first, in the order of their declaration in the base-specifier-list, and then the immediate non-static data members of X are assigned, in the order in which they were ...
inheritance - C++ assignment operator in derived class ...
The copy assignmentoperator of the derived class that is implicitly declared by the compiler hides assignmentoperators of the base class. Use using declaration in the derived class the following way. using A::operator =; B():A(){}; virtual ~B(){}; virtual void doneit(){myWrite();}
Is assignment operator inherited? - GeeksforGeeks
In C++, like other functions, assignment operator function is inherited in derived class. For example, in the following program, base class assignment operator function can be accessed using the derived class object.
Derived classes - cppreference.com
Any class type (whether declared with class-keyclass or struct) may be declared as derived from one or more base classes which, in turn, may be derived from their own base classes, forming an inheritance hierarchy.
Using-declaration - cppreference.com
Using-declarations can be used to introduce namespace members into other namespaces and block scopes, or to introduce base class members into derived class definitions, or to introduce enumerators into namespaces, block, and class scopes (since C++20).
Assignment operators - cppreference.com
Assignment strips extra range and precision from floating-point expressions (see FLT_EVAL_METHOD). In C++, assignment operators are lvalue expressions, not so in C. Run this code
General Rules for Operator Overloading | Microsoft Learn
If an operator can be used as either a unary or a binary operator (&, *, +, and -), you can overload each use separately. Overloaded operators cannot have default arguments. All overloaded operators except assignment (operator=) are inherited by derived classes.
Friendship and inheritance - C++ Users
Classes in C++ can be extended, creating new classes which retain characteristics of the base class. This process, known as inheritance, involves a base class and a derived class: The derived class inherits the members of the base class, on top of which it can add its own members.
Assignment Operators, C++ FAQ - isocpp.org">AssignmentOperators, C++ FAQ - isocpp.org
AssignmentOperators What is “self assignment”? Self assignment is when someone assigns an object to itself. For example, #include "Fred.h" // Defines class Fred void userCode(Fred& x) { x = x; // Self-assignment }
Copy assignment operator. A copy assignment operator is a non-template non-static member function with the name operator= that can be called with an argument of the same class type and copies the content of the argument without mutating the argument.
COMMENTS
The implicitly-defined copy/move assignment operator for a non-union class X performs memberwise copy-/move assignment of its subobjects. The direct base classes of X are assigned first, in the order of their declaration in the base-specifier-list, and then the immediate non-static data members of X are assigned, in the order in which they were ...
The copy assignment operator of the derived class that is implicitly declared by the compiler hides assignment operators of the base class. Use using declaration in the derived class the following way. using A::operator =; B():A(){}; virtual ~B(){}; virtual void doneit(){myWrite();}
In C++, like other functions, assignment operator function is inherited in derived class. For example, in the following program, base class assignment operator function can be accessed using the derived class object.
Any class type (whether declared with class-key class or struct) may be declared as derived from one or more base classes which, in turn, may be derived from their own base classes, forming an inheritance hierarchy.
Using-declarations can be used to introduce namespace members into other namespaces and block scopes, or to introduce base class members into derived class definitions, or to introduce enumerators into namespaces, block, and class scopes (since C++20).
Assignment strips extra range and precision from floating-point expressions (see FLT_EVAL_METHOD). In C++, assignment operators are lvalue expressions, not so in C. Run this code
If an operator can be used as either a unary or a binary operator (&, *, +, and -), you can overload each use separately. Overloaded operators cannot have default arguments. All overloaded operators except assignment (operator=) are inherited by derived classes.
Classes in C++ can be extended, creating new classes which retain characteristics of the base class. This process, known as inheritance, involves a base class and a derived class: The derived class inherits the members of the base class, on top of which it can add its own members.
Assignment Operators What is “self assignment”? Self assignment is when someone assigns an object to itself. For example, #include "Fred.h" // Defines class Fred void userCode(Fred& x) { x = x; // Self-assignment }
Copy assignment operator. A copy assignment operator is a non-template non-static member function with the name operator= that can be called with an argument of the same class type and copies the content of the argument without mutating the argument.