我们知道,在C++中,几乎每一个类(class)中都需要有一些类的成员变量(class member variable),在通常情况下的做法如下: class Person {
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If you want to maintain a single instance of a variable for all instances of a class, you will use static-class member variables to do it.
如果您想为一个类的所有实例维持一个变量的实例,将会用到静态类成员变量。
Well, I could add a new member field to the class and use that instead of a local variable.
是的,我可以在类中添加一个新的成员字段,并使用这个字段而不是局部变量。
Observe that the implementation emits trace events using the m_logger member variable from the base class.
观察该实现使用基础类中m_logger成员变量发出的跟踪事件。
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