30 lines
495 B
C++
30 lines
495 B
C++
//
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// Created by light on 19-12-25.
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//
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class A {
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public:
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virtual void foo();
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virtual void bar();
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void foobar();
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};
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class B : public A {
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public:
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void foo() override; // OK
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void bar() override final; // OK
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//void foobar() override;
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// 非虚函数不能 override
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};
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class C final : public B {
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public:
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void foo() override; // OK
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//void bar() override;
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// final 函数不可 override
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};
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class D : public C {
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// 错误：final 类不可派生
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}; |