Function Py_XINCREF

python3-sys/src/object.rs:926–930

(op: *mut PyObject)

#[inline(always)]
pub unsafe fn Py_XINCREF(op: *mut PyObject) {
    if !op.is_null() {
        Py_INCREF(op)
    }
}

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