1774         Py_ssize_t start, stop, step, slicelen, cur, i;  in element_subscr()  local
1783         slicelen = PySlice_AdjustIndices(self->extra->length, &start, &stop,  in element_subscr()
1786         if (slicelen <= 0)  in element_subscr()
1789             list = PyList_New(slicelen);  in element_subscr()
1793             for (cur = start, i = 0; i < slicelen;  in element_subscr()
1826         Py_ssize_t start, stop, step, slicelen, newlen, cur, i;  in element_ass_subscr()  local
1839         slicelen = PySlice_AdjustIndices(self->extra->length, &start, &stop,  in element_ass_subscr()
1847             if (slicelen <= 0)  in element_ass_subscr()
1855                 start = stop + step * (slicelen - 1) - 1;  in element_ass_subscr()
1859             assert((size_t)slicelen <= SIZE_MAX / sizeof(PyObject *));  in element_ass_subscr()
1864             if (!(recycle = PyList_New(slicelen))) {  in element_ass_subscr()
1893             cur = start + (size_t)slicelen * step;  in element_ass_subscr()
1896                     self->extra->children + cur - slicelen,  in element_ass_subscr()
1901             self->extra->length -= slicelen;  in element_ass_subscr()
1919         if (step !=  1 && newlen != slicelen)  in element_ass_subscr()
1925                 newlen, slicelen  in element_ass_subscr()
1931         if (newlen > slicelen) {  in element_ass_subscr()
1932             if (element_resize(self, newlen - slicelen) < 0) {  in element_ass_subscr()
1938         if (slicelen > 0) {  in element_ass_subscr()
1942             recycle = PyList_New(slicelen);  in element_ass_subscr()
1947             for (cur = start, i = 0; i < slicelen;  in element_ass_subscr()
1952         if (newlen < slicelen) {  in element_ass_subscr()
1955                 self->extra->children[i + newlen - slicelen] = self->extra->children[i];  in element_ass_subscr()
1956         } else if (newlen > slicelen) {  in element_ass_subscr()
1959                 self->extra->children[i + newlen - slicelen] = self->extra->children[i];  in element_ass_subscr()
1970         self->extra->length += newlen - slicelen;  in element_ass_subscr()