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问题描述
以下模式确定/安全吗？还是有什么缺点？
（我也用于等号运算符）
Is following pattern ok/safe ? Or are there any shortcomings ?(I also use it for equality operators)
Derived& operator=(const Derived& rhs)
{
static_cast<Base&>(*this) = rhs;
// ... copy member variables of Derived
return *this;
}
推荐答案
更多可读的IMHO通过名称调用基类：
This is fine, but it's a lot more readable IMHO to call the base-class by name:
Base::operator = (rhs);
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