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

deriving handler はなぜあの型なのか

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Description

もっと制限できるのではないだろうか

Zulip: #lean4 > Restricting the Type of `DerivingHandler`

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 reading the linked Zulip discussion on restricting DerivingHandler, then search the repository for DerivingHandler examples or explanations. The issue does not name a file or test; completion should explain why the current type is used and document any justified restriction.

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
Quiet
Clarity
Needs clarification
Newbie friendliness
30/100

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