_M_erase() [2/2]

template<typename _Tp, typename _Alloc>

deque< _Tp, _Alloc >::iterator deque::_M_erase ( iterator __pos )

protected

Definition at line 235 of file deque.tcc.

    {
      iterator __next = __position;
      ++__next;
      const difference_type __index = __position - begin();
      if (static_cast<size_type>(__index) < (size() >> 1))
      {
        if (__position != begin())
          _GLIBCXX_MOVE_BACKWARD3(begin(), __position, __next);
        pop_front();
      }
      else
      {
        if (__next != end())
          _GLIBCXX_MOVE3(__next, end(), __position);
        pop_back();
      }
      return begin() + __index;
    }

References deque(), _GLIBCXX_MOVE3, _GLIBCXX_MOVE_BACKWARD3, begin(), end(), pop_back(), pop_front(), and size().

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