void _VECTOR_IMPL<_Tp, _Alloc>::_M_fill_insert(iterator __pos, size_type __n, const _Tp& __x) { if (__n != 0) { if (size_type(this->_M_end_of_storage._M_data - this->_M_finish) >= __n) { _M_fill_insert_aux(__pos, __n, __x, _Movable()); } else _M_insert_overflow(__pos, __x, _TrivialCpy(), __n); } }
__iterator__ _VECTOR_IMPL<_Tp, _Alloc>::insert(iterator __pos, const _Tp& __x) { size_type __n = __pos - begin(); if (this->_M_finish != this->_M_end_of_storage._M_data) { if (__pos == end()) { _Copy_Construct(this->_M_finish, __x); ++this->_M_finish; } else { if (&__x >= this->_M_start && &__x < this->_M_finish) { _Tp __x_copy = __x; insert(__pos, __x_copy); } else { _Copy_Construct(this->_M_finish, *(this->_M_finish - 1)); ++this->_M_finish; __copy_backward_ptrs(__pos, this->_M_finish - 2, this->_M_finish - 1, _TrivialAss()); *__pos = __x; } } } else _M_insert_overflow(__pos, __x, _TrivialCpy(), 1UL); return begin() + __n; }