checked_iterator::operator-

Decrements an offset from an iterator and returns the new checked_iterator addressing the inserted element at the new offset position.

checked_iterator<_Cont, _Iter> operator-(
   difference_type _Off
) const;

Parameters

• _Off
  The offset to be decremented from the checked_iterator.

Return Value

A checked_iterator addressing the offset element.

Remarks

For more information, see Checked Iterators.

Example

// checked_iterators_op_minus.cpp
// compile with: /EHsc
#include <vector>
#include <iostream>

int main() {
   using namespace std;   
   vector<int> V1;

   for (int i = 0; i < 10 ; i+)
      V1.push_back(i);

   stdext::checked_iterator< vector<int> > VChkIter(V1, V1.end());

   VChkIter = VChkIter - 1;
   cout << *VChkIter << endl;
   VChkIter = VChkIter - 4;
   cout << *VChkIter << endl;
}

9 5

Requirements

Header: <iterator>

Namespace: stdext

See Also

Reference

checked_iterator Class

Standard Template Library

Other Resources

checked_iterator Members