mirrors/ruff
1
0
Fork 0
mirror of https://github.com/astral-sh/ruff.git synced 2025-08-04 18:58:04 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 3

[red-knot] Infer precise types for len() calls (#14599)

Browse source 
## Summary

Resolves #14598.

## Test Plan

Markdown tests.

---------

Co-authored-by: Carl Meyer <carl@astral.sh>
This commit is contained in:
InSync 2024-12-05 02:16:53 +07:00 • committed by GitHub
parent 04c887c8fc
commit 155d34bbb9
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
4 changed files with 337 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

39
crates/red_knot_python_semantic/resources/mdtest/unpacking.md
View file

@ -267,3 +267,42 @@ reveal_type(b) # revealed: LiteralString
# TODO: Should be list[int] once support for assigning to starred expression is added
reveal_type(c) # revealed: @Todo(starred unpacking)
```
### Unicode
```py
# TODO: Add diagnostic (need more values to unpack)
(a, b) = "é"
reveal_type(a) # revealed: LiteralString
reveal_type(b) # revealed: Unknown
```
### Unicode escape (1)
```py
# TODO: Add diagnostic (need more values to unpack)
(a, b) = "\u9E6C"
reveal_type(a) # revealed: LiteralString
reveal_type(b) # revealed: Unknown
```
### Unicode escape (2)
```py
# TODO: Add diagnostic (need more values to unpack)
(a, b) = "\U0010FFFF"
reveal_type(a) # revealed: LiteralString
reveal_type(b) # revealed: Unknown
```
### Surrogates
```py
(a, b) = "\uD800\uDFFF"
reveal_type(a) # revealed: LiteralString
reveal_type(b) # revealed: LiteralString
```