Method _in

crates/vm/src/frame.rs:7247–7250

(&self, vm: &VirtualMachine, needle: &PyObject, haystack: &PyObject)

    }

    fn _in(&self, vm: &VirtualMachine, needle: &PyObject, haystack: &PyObject) -> PyResult<bool> {
        let found = vm._contains(haystack, needle)?;
        Ok(found)
    }

    #[inline(always)]
    fn _not_in(