lean-ja / lean-ja/lean-by-example

deriving ハンドラはインスタンス生成以外もできてしまう

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Dominant language
Lean
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188
Forks
15
Avg merge
9h 8m
Merged PRs (30d)
6

Description

インスタンス生成だけでなくて、CommandElabM の中でできることなら何でもできてしまう。これはあまり健全ではないのでは…?

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by locating the deriving handler and examining how it uses CommandElabM. Clarify which operations should be allowed beyond instance generation, then add or update coverage so other CommandElabM capabilities are rejected while valid instance generation still works.

Written by the indexing model from the issue text.

Assessment

Domain
compilers
Issue type
Bug
Difficulty
5/5
Estimated time
Over a week
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
35/100

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