feat: Public is_eager_allowed in the Implementation class

[TheSkyentist]

What type of PR is this? (check all applicable)

• 💾 Refactor
• ✨ Feature
• 🐛 Bug Fix
• 🔧 Optimization
• 📝 Documentation
• ✅ Test
• 🐳 Other

Related issues

• Related issue [Enh]: is_eager_allowed method for Implementation #3149

Checklist

• Code follows style guide (ruff)
• Tests added
• Documented the changes

If you have comments or can explain your changes, please do so below

I have moved the nw._utils.is_eager_allowed function as a public Implementation method.

[dangotbanned]

Thanks for opening this PR @TheSkyentist!

I see this started in (astropy/astropy#18435 (comment)).

Would you be able to update #3149 with some more context please?

Particularly, summarizing in the context of (astropy/astropy#18435):

• How is nw._utils.is_eager_allowed currently being used?
• How adding this to Implementation solves the same issue?

FWIW, I'm not opposed to making some version of this public API.
But linking to a PR with these stats, could really benefit from some help navigating it 🙂

[TheSkyentist]

Happy to do so! I've gone ahead and updated the feature request :-)