Method partition

crates/vm/src/builtins/bytearray.rs:469–480

(&self, sep: PyBytesInner, vm: &VirtualMachine)

    #[pymethod]
    fn partition(&self, sep: PyBytesInner, vm: &VirtualMachine) -> PyResult<PyTupleRef> {
        // sep ALWAYS converted to  bytearray even it's bytes or memoryview
        // so its ok to accept PyBytesInner
        let value = self.inner();
        let (front, has_mid, back) = value.partition(&sep, vm)?;
        Ok(vm.new_tuple((
            vm.ctx.new_bytearray(front.to_vec()),
            vm.ctx
                .new_bytearray(if has_mid { sep.elements } else { Vec::new() }),
            vm.ctx.new_bytearray(back.to_vec()),
        )))
    }

    #[pymethod]
    fn rpartition(&self, sep: PyBytesInner, vm: &VirtualMachine) -> PyResult<PyTupleRef> {