莫等闲

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The basic syntax of F# - keywords and constructsThe basic syntax of F# - classes, interfaces, and membersThe basic syntax of F# - typesF# function types: fun with tuples and curryingDiscrimi

要么public，要么private继承，从来没想过什么时候会用到protected继承，这次还碰到了一个case就刚好用且只能用protected继承。 现在有一个类 Base，有一个保护成员函数foo和变量xclass Base{protected:    void foo();    int x;}; 派生类protected继承：class Deri