Function Py_CLEAR

python3-sys/src/object.rs:917–923

(op: &mut *mut PyObject)

#[inline(always)]
pub unsafe fn Py_CLEAR(op: &mut *mut PyObject) {
    let tmp = *op;
    if !tmp.is_null() {
        *op = ptr::null_mut();
        Py_DECREF(tmp);
    }
}

#[inline(always)]
pub unsafe fn Py_XINCREF(op: *mut PyObject) {