ruff/resources at 42c35b6f44e2dc4ead1ba3d043df161a3e5e49f6 - ruff

History

David Peter d8538d8c98 [red-knot] Narrowing for `type(x) is C` checks (#14432 ) ## Summary Add type narrowing for `type(x) is C` conditions (and `else` clauses of `type(x) is not C` conditionals): ```py if type(x) is A: reveal_type(x) # revealed: A else: reveal_type(x) # revealed: A \| B ``` closes: #14431, part of: #13694 ## Test Plan New Markdown-based tests.	2024-11-18 16:21:46 +01:00
..
mdtest	[red-knot] Narrowing for `type(x) is C` checks (#14432 )	2024-11-18 16:21:46 +01:00
README.md	[red-knot] document test framework (#13695 )	2024-10-10 12:02:01 -07:00

[red-knot] Narrowing for `type(x) is C` checks (#14432 )

## Summary

Add type narrowing for `type(x) is C` conditions (and `else` clauses of
`type(x) is not C` conditionals):

```py
if type(x) is A:
    reveal_type(x)  # revealed: A
else:
    reveal_type(x)  # revealed: A | B
```

closes: #14431, part of: #13694

## Test Plan

New Markdown-based tests.

2024-11-18 16:21:46 +01:00

mdtest

[red-knot] Narrowing for `type(x) is C` checks (#14432 )

2024-11-18 16:21:46 +01:00

README.md

[red-knot] document test framework (#13695 )

2024-10-10 12:02:01 -07:00

README.md

Markdown files within the mdtest/ subdirectory are tests of type inference and type checking; executed by the tests/mdtest.rs integration test.

See crates/red_knot_test/README.md for documentation of this test format.