emplace()

template<typename _Tp, typename _Alloc>

template<typename... _Args>

deque< _Tp, _Alloc >::iterator deque::emplace	(	const_iterator	__position,
		_Args &&...	__args )

Inserts an object in deque before specified iterator.

Parameters

__position	A const_iterator into the deque.
__args	Arguments.

Returns

An iterator that points to the inserted data.

This function will insert an object of type T constructed with T(std::forward<Args>(args)...) before the specified location.

Definition at line 187 of file deque.tcc.

      {
      if (__position._M_cur == this->_M_impl._M_start._M_cur)
        {
          emplace_front(std::forward<_Args>(__args)...);
          return this->_M_impl._M_start;
        }
      else if (__position._M_cur == this->_M_impl._M_finish._M_cur)
        {
          emplace_back(std::forward<_Args>(__args)...);
          iterator __tmp = this->_M_impl._M_finish;
          --__tmp;
          return __tmp;
        }
      else
        return _M_emplace_aux(__position._M_const_cast(),
                        std::forward<_Args>(__args)...);
      }

References deque(), std::_Deque_iterator< _Tp, _Ref, _Ptr >::_M_const_cast(), std::_Deque_iterator< _Tp, _Ref, _Ptr >::_M_cur, _M_emplace_aux(), _M_impl, emplace_back(), emplace_front(), and std::forward().

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