typelevel / typelevel/typelevel-scalafix
Lint for the list monoid
Open
Nobody has claimed this yet.
- Dominant language
- Scala
- Stars
- 27
- Forks
- 8
- PR merge metrics
- No merged PRs in 30d
Description
Although List has a perfectly valid Monoid instance, I often need to take great care to avoid using it due to the performance implications of concatenating lists in a loop. It would be great to have a lint for this (I guess opt-in would be fine).
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
The issue names no files, tests, or entry points. Start by reading the repository's existing Scalafix rules and how opt-in rules are configured; done means a lint identifies the described List Monoid usage and has coverage for its behavior.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- scala
- Domain
- tooling
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 38/100