goto.cpp

来自「C++ sample code, for the book: C++ blac」· C++ 代码 · 共 15 行

#include <iostream>
using namespace std;

int main()
{
    for(int loop_index = 0; loop_index > -5; loop_index--) {
        if(loop_index == 0) 
            goto END_LOOP; 
        cout << "1 / " << loop_index << " = " << 1 / loop_index;
    } 
    exit(0);

END_LOOP: cerr << "Ending loop to avoid dividing by 0." << endl;
    return 0;
}