テンプレート練習

p304.cpp

#include <iostream>
using namespace std;
template <typename Type> Type square(Type x)
{
    return x * x;
}
int main()
{
    int     a;
    double  b;
    
    cout << "実数a: ";    cin >> a;
    cout << "実数b: ";    cin >> b;
    
    cout << "aの二乗は" << square(a) << "です。" << endl;
    cout << "bの二乗は" << square(b) << "です。" << endl;
}