Mailing List Archive

On Mon, 18 Jan 2021 12:41:45 -0800
Chris Barker via Python-Dev <python-dev@python.org> wrote:
>
> And in "real world" code, I've done just this -- building a system for
> saving / restoring dataclasses to/from JSON. In that case, each of the
> dataclasses knows how to save itself and build itself from JSON-compatible
> python objects (numbers, dicts, strings, lists) -- so again, no need for
> pattern matching there either. And what I really like about the approach of
> putting all the logic in the "nodes" is that I can make new types of nodes
> without having to touch the code at the "top" that visits those nodes.

Note that another approach is the little-used
`functools.singledispatch`.

Regards

Antoine.

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