C++中异常处理器

#include <iostream>
#include <csetjmp>


using namespace std;

class Rainbow {
    public:
        Rainbow() {cout << "Rainbow()" << endl;}
        ~Rainbow() {cout << "~Rainbow()" << endl;}
};


void oz() {
    Rainbow rb;
    for(int i = 0; i < 3; i++) {
        cout << "there's no place like home" << endl;
    }
    throw 47;
}

int main()
{

    try{
        cout << "tornado, witch, muchkins..." << endl;
        oz();

    }
    catch (int){
        cout << "Autie Em!"
             << " I had the strangest dream..."
             << endl;
    }
    return 0;
}