类模板初尝

#pragma once
//Caculate.h
template<typename T> class Caculate
{
public:
Caculate() = default;
Caculate(const T& a, const T& b) :first(a), second(b){}
Caculate(const Caculate& c);
Caculate(Caculate &&)noexcept;
Caculate& operator =(const Caculate&);
Caculate& operator =(Caculate&&)noexcept;
~Caculate() = default;
public:
T sum();
T minus();
T multiplies();
T divides();
private:
T first;
T second;
};
template<typename T> Caculate<T>::Caculate(const Caculate& c):first(c.first),second(c.second)
{


}
template<typename T> Caculate<T>::Caculate(Caculate && c)noexcept : first(std::move(c.first)), second(std::move(c.second))
{


}
template<typename T> Caculate<T>& Caculate<T>::operator =(const Caculate& c)
{
first = c.first;
second = c.second;
return *this;
}
template<typename T> Caculate<T>& Caculate<T>::operator =(Caculate && c)noexcept
{
first = std::move(c.first);
second = std::move(c.second);
return *this;
}
template<typename T> T Caculate<T>::sum()
{
return (first + second);
}
template<typename T> T Caculate<T>::minus()
{
return (first - second);
}
template<typename T> T Caculate<T>::multiplies()
{
return (first * second);
}
template<typename T> T Caculate<T>::divides()
{
if (second == 0)
exit(EXIT_FAILURE);
else
return (first / second);

}

////////////////////////////////////////////////////////////////////////////////////////////////////////

#include<iostream>
#include"Caculate.h"
using namespace std;
int main()
{
Caculate<double> a(1.23, 34.444);
cout << a.divides() << endl;
cout << a.minus() << endl;
cout << a.sum() << endl;
cout << a.multiplies() << endl;
system("pause");
return 0;
}