iteratorsafety.cpp

来自「C++高级编程这本书所附的源代码」· C++ 代码 · 共 24 行

#include <vector>
using namespace std;

int main(int argc, char** argv)
{
  vector<int> intVector;

  vector<int>::iterator it = intVector.end();
  *it = 10; // BUG! it doesn't refer to a valid element

  vector<int> vectorOne(10);
  vector<int> vectorTwo(10);

  // fill in the vectors

  // BUG! infinite loop
  for (vector<int>::iterator it = vectorTwo.begin(); it != vectorOne.end();
       ++it) {
    // loop body
  }

  return (0);
}