lean-ja / lean-ja/lean-by-example
MonadLift は内部的には coercion と同じか？
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要調査
- Dominant language
- Lean
- Stars
- 188
- Forks
- 15
- Avg merge
- 9h 8m
- Merged PRs (30d)
- 6
Description
型強制っぽい仕組みなのはわかる。しかし、内部の実装は型強制と同じか？（つまり、型強制を使ってモナドリフトは実装できるのか。それとも、型強制では無理なのか？）
予想では型強制では無理だと思うが、あまり確信がない。
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 by reviewing the repository's Lean examples and the issue's distinction between MonadLift and coercion. Determine whether the two mechanisms are equivalent in implementation or whether coercion cannot express MonadLift, then document the conclusion with a focused explanation and supporting example if the repository has a suitable location.
Written by the indexing model from the issue text.
Assessment
- Domain
- documentation
- Issue type
- Documentation
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100