Method __iand__

crates/vm/src/builtins/set.rs:720–726

(zelf: PyRef<Self>, set: AnySet, vm: &VirtualMachine)

    }

    fn __iand__(zelf: PyRef<Self>, set: AnySet, vm: &VirtualMachine) -> PyResult<PyRef<Self>> {
        if !set.is(zelf.as_object()) {
            zelf.inner
                .intersection_update(core::iter::once(set.into_iterable(vm)?), vm)?;
        }
        Ok(zelf)
    }

    #[pymethod]
    fn difference_update(&self, others: PosArgs<ArgIterable>, vm: &VirtualMachine) -> PyResult<()> {