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| author | Nikita Sobolev <mail@sobolevn.me> | 2023-01-08 22:51:29 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-01-08 22:51:29 (GMT) |
| commit | bc0a686f820d7d298a0b1450b155a717972de0fc (patch) | |
| tree | f4e4f5acefd28c9cb42a4db8631ed0d59165992d /Doc/whatsnew | |
| parent | 8d69828092f734cd9275459173a0f89bde109659 (diff) | |
| download | cpython-bc0a686f820d7d298a0b1450b155a717972de0fc.zip cpython-bc0a686f820d7d298a0b1450b155a717972de0fc.tar.gz cpython-bc0a686f820d7d298a0b1450b155a717972de0fc.tar.bz2 | |
gh-87447: Fix walrus comprehension rebind checking (#100581)
Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
Co-authored-by: Shantanu <12621235+hauntsaninja@users.noreply.github.com>
Diffstat (limited to 'Doc/whatsnew')
| -rw-r--r-- | Doc/whatsnew/3.12.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.12.rst b/Doc/whatsnew/3.12.rst index b882bb6..7d318ca 100644 --- a/Doc/whatsnew/3.12.rst +++ b/Doc/whatsnew/3.12.rst @@ -182,6 +182,13 @@ Other Language Changes arguments of any type instead of just :class:`bool` and :class:`int`. (Contributed by Serhiy Storchaka in :gh:`60203`.) +* Variables used in the target part of comprehensions that are not stored to + can now be used in assignment expressions (``:=``). + For example, in ``[(b := 1) for a, b.prop in some_iter]``, the assignment to + ``b`` is now allowed. Note that assigning to variables stored to in the target + part of comprehensions (like ``a``) is still disallowed, as per :pep:`572`. + (Contributed by Nikita Sobolev in :gh:`100581`.) + New Modules =========== |