(🐞) no error with `|` operator on `tuple` and `type`
Open
Nobody has claimed this yet.
bug
topic-pep-604
topic-runtime-semantics
- Dominant language
- Python
- Stars
- 20.6k
- Forks
- 3.3k
- PR merge metrics
- PR metrics pending
Description
() | int # no error
int | (int,) # no error
Contributor guide
First steps
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Research direction
No files, tests, or entry points are named. Start by reproducing the two expressions with mypy, then locate the type-checking path for the | operator and determine how tuple and type operands are handled; done should include diagnostics for these invalid expressions and regression coverage.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- tooling
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 30/100