Enable two-phase checking in sequential mode when --local-partial-types is set
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parallel checking
- Dominant language
- Python
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Description
Right now there may be minor inconsistencies between sequential and parallel mode, because the latter uses two-phase checking (interfaces, then implementations). We should (gradually) switch sequential mode to the two-phase checking as well.
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 tracing sequential mode when --local-partial-types is set, then compare its checking flow with parallel mode’s two phases: interfaces followed by implementations. Identify the relevant checker entry points and tests; done means sequential mode uses two-phase checking under that flag while unrelated modes retain their current behavior.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- compilers
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 42/100