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David Peter 57ba25caaf [red-knot] Type inference for comparisons involving intersection types (#14138 ) ## Summary This adds type inference for comparison expressions involving intersection types. For example: ```py x = get_random_int() if x != 42: reveal_type(x == 42) # revealed: Literal[False] reveal_type(x == 43) # bool ``` closes #13854 ## Test Plan New Markdown-based tests. --------- Co-authored-by: Carl Meyer <carl@astral.sh>	2024-11-07 20:51:14 +01:00
..
mdtest	[red-knot] Type inference for comparisons involving intersection types (#14138 )	2024-11-07 20:51:14 +01:00
README.md	[red-knot] document test framework (#13695 )	2024-10-10 12:02:01 -07:00

[red-knot] Type inference for comparisons involving intersection types (#14138 )

## Summary

This adds type inference for comparison expressions involving
intersection types.

For example:
```py
x = get_random_int()

if x != 42:
    reveal_type(x == 42)  # revealed: Literal[False]
    reveal_type(x == 43)  # bool
```

closes #13854

## Test Plan

New Markdown-based tests.

---------

Co-authored-by: Carl Meyer <carl@astral.sh>

2024-11-07 20:51:14 +01:00

mdtest

[red-knot] Type inference for comparisons involving intersection types (#14138 )

2024-11-07 20:51:14 +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.