lean-ja / lean-ja/lean-by-example
structure のフィールドに型クラスのインスタンスを持たせることができる
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要調査
- Dominant language
- Lean
- Stars
- 188
- Forks
- 15
- Avg merge
- 9h 8m
- Merged PRs (30d)
- 6
Description
plausible で使用されている。
class SampleableExt (α : Sort u) where
proxy : Type v
[proxyRepr : Repr proxy]
[shrink : Shrinkable proxy]
sample : Gen proxy
interp : proxy → α
cf. plausible/Sampleable.lean
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 reading plausible/Sampleable.lean and the SampleableExt example in the issue. Determine where lean-by-example should explain structure fields that carry type-class instances; the work is complete when this usage is documented clearly with an appropriate example.
Written by the indexing model from the issue text.
Assessment
- Domain
- documentation
- Issue type
- Documentation
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100