1740         Py_ssize_t start, stop, step, slicelen, i;  in element_subscr()  local
1750         slicelen = PySlice_AdjustIndices(self->extra->length, &start, &stop,  in element_subscr()
1753         if (slicelen <= 0)  in element_subscr()
1756             list = PyList_New(slicelen);  in element_subscr()
1760             for (cur = start, i = 0; i < slicelen;  in element_subscr()
1793         Py_ssize_t start, stop, step, slicelen, newlen, i;  in element_ass_subscr()  local
1807         slicelen = PySlice_AdjustIndices(self->extra->length, &start, &stop,  in element_ass_subscr()
1815             if (slicelen <= 0)  in element_ass_subscr()
1823                 start = stop + step * (slicelen - 1) - 1;  in element_ass_subscr()
1827             assert((size_t)slicelen <= SIZE_MAX / sizeof(PyObject *));  in element_ass_subscr()
1832             if (!(recycle = PyList_New(slicelen))) {  in element_ass_subscr()
1861             cur = start + (size_t)slicelen * step;  in element_ass_subscr()
1864                     self->extra->children + cur - slicelen,  in element_ass_subscr()
1869             self->extra->length -= slicelen;  in element_ass_subscr()
1887         if (step !=  1 && newlen != slicelen)  in element_ass_subscr()
1893                 newlen, slicelen  in element_ass_subscr()
1899         if (newlen > slicelen) {  in element_ass_subscr()
1900             if (element_resize(self, newlen - slicelen) < 0) {  in element_ass_subscr()
1915         if (slicelen > 0) {  in element_ass_subscr()
1919             recycle = PyList_New(slicelen);  in element_ass_subscr()
1924             for (cur = start, i = 0; i < slicelen;  in element_ass_subscr()
1929         if (newlen < slicelen) {  in element_ass_subscr()
1932                 self->extra->children[i + newlen - slicelen] = self->extra->children[i];  in element_ass_subscr()
1933         } else if (newlen > slicelen) {  in element_ass_subscr()
1936                 self->extra->children[i + newlen - slicelen] = self->extra->children[i];  in element_ass_subscr()
1947         self->extra->length += newlen - slicelen;  in element_ass_subscr()