enh: `Expr.len` and `Series.len` - Githubissues

narwhals-dev / narwhals

Lightweight and extensible compatibility layer between Polars, pandas, cuDF, Modin, and more!

https://narwhals-dev.github.io/narwhals/

MIT License

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enh: `Expr.len` and `Series.len` #323

Closed FBruzzesi closed 1 week ago

FBruzzesi commented 1 week ago

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

[ ] 💾 Refactor
[x] ✨ Feature
[ ] 🐛 Bug Fix
[ ] 🔧 Optimization
[ ] 📝 Documentation
[ ] ✅ Test
[ ] 🐳 Other

Related issues

Closes #322

Checklist

[x] Code follows style guide (ruff)
[x] Tests added
[x] Documented the changes

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

Let me know if tests are good enough!