模板类与异常

/* 模板处理异常*/

#include<iostream>

using namespace std;

template<class T>
class myarray
{
public:
    myarray(int num)
    {
        if(num < 0)
        {
            //throw error();
            throw Terror<T>();
        }
        this->n = num;
        this->p = new T[n];
    }

    ~myarray()
    {
        delete []this->p;
    }
    
    class error
    {
    };
    
    template<class T>
    class Terror
    {
    public:

    };

private:
    T *p;
    int n;
};

void main()
{    
    // 模板类的异常必须捕获的时候明确类型
    try
    {
        myarray<int> myint(10);
    }
    catch (myarray<int>::error e)
    {
        cout << typeid(e).name() << endl;
    }
    catch (myarray<int>::Terror<int> e)
    {
        cout << typeid(e).name() << endl;
    }

    cin.get();
}