typelevel / typelevel/shapeless-3
Support Mirror.Sum for Java sealed classes
Open
Nobody has claimed this yet.
enhancement
- Dominant language
- Scala
- Stars
- 204
- Forks
- 24
- Avg merge
- 4h 5m
- Merged PRs (30d)
- 1
Description
Since Java 17 we can define classes as sealed
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the Mirror.Sum entry point and the parts of shapeless-3 that handle sealed class hierarchies. Review Java 17 sealed-class behavior and existing Scala support, then define and verify what successful Mirror.Sum support should cover; the issue names no files or tests.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java, scala
- Domain
- compilers
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100