[spec] Overload processing order
Nobody has claimed this yet.
Assessment
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Newbie friendliness
- 45/100
- Issue type
- Documentation
- Clarity
- Mostly clear
- Activity status
- Stale
- Tech stack
- python
- Domain
- documentation
Research direction
Start by locating the typing specification section describing overload resolution and compare its current wording with the order-dependent examples in the issue. The work is done when the specification clearly states how overloads are processed in order and explains the shown int and str cases.
Written by the indexing model from the issue text.
Description
It's my understanding that overloads are processed in order. I.e. given the following overloads:
@overload
def foo(x: int) -> None: ...
@overload
def foo(x: int | str) -> None: ...
@overload
def foo(x: str) -> None: ...
When called with an int, the first overload is matched, when called with a str, the second is matched. The third is never matched. (Not going into what happens when called with int | str.) Currently, this behavior is not mentioned in the spec.
- Dominant language
- Python
- Stars
- 1.8k
- Forks
- 302
- Avg merge
- 23h
- Merged PRs (30d)
- 8
Contributor guide
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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.
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