笨拙的语法

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struct Something
{
    int nValue;
    float fValue;
};
 
// Member selection using actual struct variable
Something sSomething;
sSomething.nValue = 5;
 
// Member selection using reference to struct
Something &rsSomething = sSomething;
rsSomething.nValue = 5;
 
// Member selection using pointer to struct
Something *psSomething = &sSomething;
(*psSomething).nValue = 5;

注意指针解引用必须括在括号，因为成员选择运算符具有比解引用操作符的优先级更高的。

因为访问结构和类成员通过指针是笨拙的语法，C + +提供的第二个成员选择运算符（->）从指针做成员选择。下面的两行是等价的：