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override specifier

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関数の宣言
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noexcept指定子 (C++11)
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decltype specifier (C++11)
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typedef declaration
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Class-specific function properties
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仮想関数
指定子をオーバーライドします (C++11)
最後の子 (C++11)
明示 (C++11)
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Special member functions
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Templates
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クラステンプレート
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インラインアセンブリ
 
仮想関数が別の仮想関数をオーバーライドすることを指定し.
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Specifies that a 仮想関数 overrides another virtual function.
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目次

[編集] 構文

function_declaration override ;

[編集] 説明

メソッドの宣言では、overrideは、関数が基底クラスのメソッドをオーバーライドする必要があることを指定し.
Original:
In a method declaration, override specifies that the function must be overriding a base class method.
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override関数宣言の後に使用し、特別な意味を持つ識別子は、それ以外の場合は予約されていない.
Original:
override is an identifier with a special meaning when used after function declaration, otherwise it's not reserved.
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[編集]

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
};

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