Method getitem_by_multi_idx

crates/vm/src/builtins/memory.rs:165–169

(&self, indexes: &[isize], vm: &VirtualMachine)

    }

    fn getitem_by_multi_idx(&self, indexes: &[isize], vm: &VirtualMachine) -> PyResult {
        let pos = self.pos_from_multi_index(indexes, vm)?;
        let bytes = self.buffer.obj_bytes();
        format_unpack(&self.format_spec, &bytes[pos..pos + self.desc.itemsize], vm)
    }

    fn setitem_by_idx(&self, i: isize, value: PyObjectRef, vm: &VirtualMachine) -> PyResult<()> {
        if self.desc.ndim() != 1 {