Function PyTuple_SET_ITEM

python3-sys/src/tupleobject.rs:65–70

(op: *mut PyObject, i: Py_ssize_t, v: *mut PyObject)

#[inline(always)]
#[cfg(not(Py_LIMITED_API))]
pub unsafe fn PyTuple_SET_ITEM(op: *mut PyObject, i: Py_ssize_t, v: *mut PyObject) {
    *(*(op as *mut PyTupleObject))
        .ob_item
        .as_mut_ptr()
        .offset(i as isize) = v;
}