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Shunsuke Shibayama 342b2665db [ty] basic narrowing on attribute and subscript expressions (#17643 )

## Summary

This PR closes astral-sh/ty#164.

This PR introduces a basic type narrowing mechanism for
attribute/subscript expressions.
Member accesses, int literal subscripts, string literal subscripts are
supported (same as mypy and pyright).

## Test Plan

New test cases are added to `mdtest/narrow/complex_target.md`.

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Co-authored-by: David Peter <mail@david-peter.de>

2025-06-17 11:07:46 +02:00

corpus

Move corpus tests to ty_python_semantic (#18609 )

2025-06-11 08:55:30 +02:00

mdtest

[ty] basic narrowing on attribute and subscript expressions (#17643 )

2025-06-17 11:07:46 +02:00

primer

[ty] basic narrowing on attribute and subscript expressions (#17643 )

2025-06-17 11:07:46 +02:00

README.md

Rename Red Knot (#17820 )

2025-05-03 19:49:15 +02:00

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/ty_test/README.md for documentation of this test format.