override specifier

 

C++

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Montaje en línea

 

Especifica que una función virtual anula otra función virtual .

Original:

Specifies that a función virtual overrides another virtual function.

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Sintaxis

function_declaration override ;

Explicación

En una declaración de método, override especifica que la función debe ser preponderante en un método de la clase base .

Original:

In a method declaration, override specifies that the function must be overriding a base class method.

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override es un identificador que tiene un significado especial cuando se usa después de declaración de la función, de lo contrario no es reservado .

Original:

override is an identifier with a special meaning when used after function declaration, otherwise it's not reserved.

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Ejemplo

struct A
{
    virtual void foo();
    void bar();
};
 
struct B : A
{
    void foo() const override; // Error: Has a different signature from A::foo
    void foo() override; // OK: base class contains a virtual function with the same signature
    void bar() override; // Error: B::bar doesn't override because A::bar is not virtual
};

Ver también

• último especificador (desde C++11)