函数模版与类模版

#include <QCoreApplication>
#include <QDebug>

template <class T>
T My_Max(T a,T b){
    return a>b?a:b;
}

template <typename T>
bool IsBig(T a, T b)
{
    return a>b?true:false;
}

template <class T,class O>
class Point
{

public:
    Point(T x,O y)
        :x_(x),y_(y)
    {
    }

    void object()
    {
        qDebug()<<"Point("<<x_<<","<<y_<<")";
    }

    bool operator>(const Point& other)
    {
        return (this->x_>other.x_ && this->y_>other.y_)?true:false;
    }
private:
    T x_;
    O y_;
};

int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);

    qDebug()<<My_Max<int>(4,6);

    Point<float,float> p1(1,3);
    Point<float,float> p2(2.3,4.5);

    p1.object();
    p2.object();

    bool ret = p1>p2;
    bool ret2 = p2>p1;

    qDebug()<<ret<<ret2;

    qDebug()<<IsBig(1,4);

    return a.exec();
}