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Implement typing.assert_type #90638
Description
| BPO | 46480 |
|---|---|
| Nosy | @gvanrossum, @JelleZijlstra, @hauntsaninja, @sobolevn, @Fidget-Spinner, @AlexWaygood |
| PRs |
Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.
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GitHub fields:
assignee = 'https://github.com/JelleZijlstra'
closed_at = <Date 2022-03-17.03:04:56.930>
created_at = <Date 2022-01-23.05:19:12.643>
labels = ['type-feature', 'library', '3.11']
title = 'Implement typing.assert_type'
updated_at = <Date 2022-03-24.02:15:13.459>
user = 'https://github.com/JelleZijlstra'bugs.python.org fields:
activity = <Date 2022-03-24.02:15:13.459>
actor = 'JelleZijlstra'
assignee = 'JelleZijlstra'
closed = True
closed_date = <Date 2022-03-17.03:04:56.930>
closer = 'JelleZijlstra'
components = ['Library (Lib)']
creation = <Date 2022-01-23.05:19:12.643>
creator = 'JelleZijlstra'
dependencies = []
files = []
hgrepos = []
issue_num = 46480
keywords = ['patch']
message_count = 3.0
messages = ['411345', '415385', '415921']
nosy_count = 6.0
nosy_names = ['gvanrossum', 'JelleZijlstra', 'hauntsaninja', 'sobolevn', 'kj', 'AlexWaygood']
pr_nums = ['30843', '32069']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue46480'
versions = ['Python 3.11']
Activity
JelleZijlstra commented on Jan 23, 2022
Implement typing.assert_type as proposed in https://mail.python.org/archives/list/typing-sig@python.org/thread/MITFQ6Z45RRMXY3HNM66IC3XXS3TA3JN/. This is a special primitive that asserts to the type checker what the type of an expression is.
Tentatively dropping assert_error() based on Eric's feedback.
JelleZijlstra commented on Mar 17, 2022
New changeset 96568e9 by Jelle Zijlstra in branch 'main':
bpo-46480: add typing.assert_type (GH-30843)
96568e9
JelleZijlstra commented on Mar 24, 2022
New changeset 3354245 by Shantanu in branch 'main':
bpo-46480: rephrase typing.assert_type docs (GH-32069)
3354245