相关疑难解决方法(0)

我很难在Google上找到点击率.

struct a {
    float m_x;
    float m_z;
public:
    a(float x): m_x(x) {}
};

class b : public a {
    b(float z): m_z(z) {}
};

在铿锵3.2:

error: member initializer 'm_z' does not name a non-static data member or base class
    b(float z): m_z(z) {}