leanprover-community / leanprover-community/mathlib4
Porting note: added `instance`
Open
Nobody has claimed this yet.
porting-notes
- Dominant language
- Lean
- Stars
- 4.2k
- Forks
- 1.7k
- PR merge metrics
- No merged PRs in 30d
Description
Classifies porting notes claiming anything semantically equivalent to:
- "added instance"
- "new instance"
- "adding instance"
- "had to add this instance manually"
Examples
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 three linked examples in Mathlib/RingTheory/Valuation/ValuationSubring.lean and Archive/Arithcc.lean to identify the porting-note patterns being classified. Locate the existing porting-note classifier, add coverage for the listed semantic variants, and verify that all examples are recognized without incorrectly matching unrelated notes.
Written by the indexing model from the issue text.
Assessment
- Domain
- tooling
- Issue type
- Feature
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 40/100