008.C++类改写模板类
1.普通类
//class head class complex //class body {} { public: complex(double r=0, double i) :re(r), im(i) {}//构造函数 complex& operator += (const complex&); double real() const { return re; }//获取实部的函数 double imag() const { return im; }//获取虚部的函数 private: double re, im; friend complex& __doapl(complex*, const complex&); };
2.模板类
//导入模板 template<typename T> class complex { public: complex(T r = 0, T i = 0) :re(r), im(i) {} complex& operator += (const complex&); T real() const { return re; } T imag() const { return im; } private: T re, im; friend complex& __doapl(complex*, const complex&); }; //调用时需要制定类型<> //{ // complex<double> c1(2.5, 1.5); // complex<int> c2(2, 6); //}