We would like to learn about your use case. For example, if this feature is needed to adopt Narwhals in an open source project, could you please enter the link to it below?

Currently Narwhals can read struct fields, but can't create struct columns.

Please describe the purpose of the new feature or describe the problem to solve.

I need to create struct fields with Narwhals for a feature I'm working on.

Suggest a solution if possible.

No response

If you have tried alternatives, please describe them below.

No response

Additional information that may help us understand your needs.

No response