c++类内 operator＜＜重载和 类外模板operator＜＜写法测试: 将short 和 float数据载入

#include <QCoreApplication> #include <iostream> class A{ public:     A& operator << (char ch); }; A& A::operator << (char ch) {     std::cout<<(int)ch<<std::endl;     return *this; } template <class T

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