テンプレートクラスの簡単な例

// test1.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <stdio.h>
#include <iostream.h>

template <class Type>
class Stack
{
	private:
		int top;
		int length;
		Type *s;
	public:
		Stack(int);
		~Stack()
		{
			delete []s;
		}
		void Push(Type);
		Type Pop();
};

template <class Type>
Stack<Type>::Stack(int n)
{
	s = new Type[n];
	length = n;
	top = 0;
}

template <class Type>
void Stack<Type>::Push(Type a)
{
	if(top == length)
	{
		cout << "Stack is full!" << endl;
		return;
	}
	s[top] = a;
	top++;
}

template <class Type>
Type Stack<Type>::Pop()
{
	if(top == 0)
	{
		cout << "stack is empty!" << endl;
		return 0;
	}
	top--;
	return s[top];
}


template <typename T1, typename T2>
class MyClass
{
	private:
		T1 x;
		T2 y;
	public:
		MyClass(T1 a, T2 b)
		{
			x = a;
			y = b;
		}
		void Show()
		{
			cout << "x="<<x<<",y="<<y<<endl;
		}
};



int main(int argc, char* argv[])
{
	Stack<int> s1(10);
	Stack<double> s2(10);
	Stack<char> s3(10);

	s1.Push(11);
	cout << s1.Pop() << endl;

	MyClass<int, double> obj1(10, 5.3);
	obj1.Show();
	MyClass<int ,char> obj2(25, 'W');
	obj2.Show();
	MyClass<char , char*> obj3('M', "this is a template");
	obj3.Show();

	return 0;
}