static Py_ssize_t PLy_result_length(PyObject *arg);
static PyObject *PLy_result_item(PyObject *arg, Py_ssize_t idx);
static PyObject *PLy_result_slice(PyObject *arg, Py_ssize_t lidx, Py_ssize_t hidx);
-static int PLy_result_ass_slice(PyObject *rg, Py_ssize_t lidx, Py_ssize_t hidx, PyObject *slice);
+static int PLy_result_ass_slice(PyObject *arg, Py_ssize_t lidx, Py_ssize_t hidx, PyObject *slice);
static PyObject *PLy_result_subscript(PyObject *arg, PyObject *item);
static int PLy_result_ass_subscript(PyObject *self, PyObject *item, PyObject *value);