| route-pattern | /_view_fragments/voltron/pull_requests/show/:user_id/:repository/:id/pull_request_layout(.:format) |
| route-controller | voltron_pull_requests_fragments |
| route-action | pull_request_layout |
| fetch-nonce | v2:925c8cf5-6c82-83c4-965f-8483e918a965 |
| current-catalog-service-hash | ae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b |
| request-id | CE10:1E1D6F:1EDD518:2A2DDB4:696ABFC1 |
| html-safe-nonce | 1922dfbcd9fd5a15172d99982f0d785bbfc81f047a8de24f0e9451a121e3f219 |
| visitor-payload | eyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJDRTEwOjFFMUQ2RjoxRURENTE4OjJBMkREQjQ6Njk2QUJGQzEiLCJ2aXNpdG9yX2lkIjoiMjc0MDUyMTk3MDgxMjIzOTgwOSIsInJlZ2lvbl9lZGdlIjoiaWFkIiwicmVnaW9uX3JlbmRlciI6ImlhZCJ9 |
| visitor-hmac | 41ea33df1bd624234e6388b27dcb9e8e0ed73ae0f048e5e8a0c19668ab093299 |
| hovercard-subject-tag | pull_request:422348556 |
| github-keyboard-shortcuts | repository,pull-request-list,pull-request-conversation,pull-request-files-changed,copilot |
| google-site-verification | Apib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I |
| octolytics-url | https://collector.github.com/github/collect |
| analytics-location | ///voltron/pull_requests_fragments/pull_request_layout |
| fb:app_id | 1401488693436528 |
| apple-itunes-app | app-id=1477376905, app-argument=https://github.com/_view_fragments/voltron/pull_requests/show/python/cpython/20339/pull_request_layout |
| twitter:image | https://opengraph.githubassets.com/739bdc46952af4a2b90ff65a9f20df7e75a3339206bfec1327fb220b1ec20edc/python/cpython/pull/20339 |
| twitter:card | summary_large_image |
| og:image | https://opengraph.githubassets.com/739bdc46952af4a2b90ff65a9f20df7e75a3339206bfec1327fb220b1ec20edc/python/cpython/pull/20339 |
| og:image:alt | https://bugs.python.org/issue40755 |
| og:image:width | 1200 |
| og:image:height | 600 |
| og:site_name | GitHub |
| og:type | object |
| og:author:username | rhettinger |
| hostname | github.com |
| expected-hostname | github.com |
| None | 46ce962e0e18113ea447391b6ace8b02d4d2861e57b4fbab3658698f73d8855b |
| turbo-cache-control | no-preview |
| go-import | github.com/python/cpython git https://github.com/python/cpython.git |
| octolytics-dimension-user_id | 1525981 |
| octolytics-dimension-user_login | python |
| octolytics-dimension-repository_id | 81598961 |
| octolytics-dimension-repository_nwo | python/cpython |
| octolytics-dimension-repository_public | true |
| octolytics-dimension-repository_is_fork | false |
| octolytics-dimension-repository_network_root_id | 81598961 |
| octolytics-dimension-repository_network_root_nwo | python/cpython |
| turbo-body-classes | logged-out env-production page-responsive |
| disable-turbo | false |
| browser-stats-url | https://api.github.com/_private/browser/stats |
| browser-errors-url | https://api.github.com/_private/browser/errors |
| release | 30300f30bb3949de255e84a146706a3bdb5c19c9 |
| ui-target | full |
| theme-color | #1e2327 |
| color-scheme | light dark |
| Skip to content | https://github.com/python/cpython/pull/20339#start-of-content |
|
| https://github.com/ |
|
Sign in
| https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F20339 |
| GitHub CopilotWrite better code with AI | https://github.com/features/copilot |
| GitHub SparkBuild and deploy intelligent apps | https://github.com/features/spark |
| GitHub ModelsManage and compare prompts | https://github.com/features/models |
| MCP RegistryNewIntegrate external tools | https://github.com/mcp |
| ActionsAutomate any workflow | https://github.com/features/actions |
| CodespacesInstant dev environments | https://github.com/features/codespaces |
| IssuesPlan and track work | https://github.com/features/issues |
| Code ReviewManage code changes | https://github.com/features/code-review |
| GitHub Advanced SecurityFind and fix vulnerabilities | https://github.com/security/advanced-security |
| Code securitySecure your code as you build | https://github.com/security/advanced-security/code-security |
| Secret protectionStop leaks before they start | https://github.com/security/advanced-security/secret-protection |
| Why GitHub | https://github.com/why-github |
| Documentation | https://docs.github.com |
| Blog | https://github.blog |
| Changelog | https://github.blog/changelog |
| Marketplace | https://github.com/marketplace |
| View all features | https://github.com/features |
| Enterprises | https://github.com/enterprise |
| Small and medium teams | https://github.com/team |
| Startups | https://github.com/enterprise/startups |
| Nonprofits | https://github.com/solutions/industry/nonprofits |
| App Modernization | https://github.com/solutions/use-case/app-modernization |
| DevSecOps | https://github.com/solutions/use-case/devsecops |
| DevOps | https://github.com/solutions/use-case/devops |
| CI/CD | https://github.com/solutions/use-case/ci-cd |
| View all use cases | https://github.com/solutions/use-case |
| Healthcare | https://github.com/solutions/industry/healthcare |
| Financial services | https://github.com/solutions/industry/financial-services |
| Manufacturing | https://github.com/solutions/industry/manufacturing |
| Government | https://github.com/solutions/industry/government |
| View all industries | https://github.com/solutions/industry |
| View all solutions | https://github.com/solutions |
| AI | https://github.com/resources/articles?topic=ai |
| Software Development | https://github.com/resources/articles?topic=software-development |
| DevOps | https://github.com/resources/articles?topic=devops |
| Security | https://github.com/resources/articles?topic=security |
| View all topics | https://github.com/resources/articles |
| Customer stories | https://github.com/customer-stories |
| Events & webinars | https://github.com/resources/events |
| Ebooks & reports | https://github.com/resources/whitepapers |
| Business insights | https://github.com/solutions/executive-insights |
| GitHub Skills | https://skills.github.com |
| Documentation | https://docs.github.com |
| Customer support | https://support.github.com |
| Community forum | https://github.com/orgs/community/discussions |
| Trust center | https://github.com/trust-center |
| Partners | https://github.com/partners |
| GitHub SponsorsFund open source developers | https://github.com/sponsors |
| Security Lab | https://securitylab.github.com |
| Maintainer Community | https://maintainers.github.com |
| Accelerator | https://github.com/accelerator |
| Archive Program | https://archiveprogram.github.com |
| Topics | https://github.com/topics |
| Trending | https://github.com/trending |
| Collections | https://github.com/collections |
| Enterprise platformAI-powered developer platform | https://github.com/enterprise |
| GitHub Advanced SecurityEnterprise-grade security features | https://github.com/security/advanced-security |
| Copilot for BusinessEnterprise-grade AI features | https://github.com/features/copilot/copilot-business |
| Premium SupportEnterprise-grade 24/7 support | https://github.com/premium-support |
| Pricing | https://github.com/pricing |
| Search syntax tips | https://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax |
| documentation | https://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax |
|
Sign in
| https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F20339 |
|
Sign up
| https://github.com/signup?ref_cta=Sign+up&ref_loc=header+logged+out&ref_page=%2F%3Cuser-name%3E%2F%3Crepo-name%3E%2Fvoltron%2Fpull_requests_fragments%2Fpull_request_layout&source=header-repo&source_repo=python%2Fcpython |
| Reload | https://github.com/python/cpython/pull/20339 |
| Reload | https://github.com/python/cpython/pull/20339 |
| Reload | https://github.com/python/cpython/pull/20339 |
|
python
| https://github.com/python |
| cpython | https://github.com/python/cpython |
| Please reload this page | https://github.com/python/cpython/pull/20339 |
|
Notifications
| https://github.com/login?return_to=%2Fpython%2Fcpython |
|
Fork
33.9k
| https://github.com/login?return_to=%2Fpython%2Fcpython |
|
Star
71.1k
| https://github.com/login?return_to=%2Fpython%2Fcpython |
|
Code
| https://github.com/python/cpython |
|
Issues
5k+
| https://github.com/python/cpython/issues |
|
Pull requests
2.1k
| https://github.com/python/cpython/pulls |
|
Actions
| https://github.com/python/cpython/actions |
|
Projects
31
| https://github.com/python/cpython/projects |
|
Security
Uh oh!
There was an error while loading. Please reload this page.
| https://github.com/python/cpython/security |
| Please reload this page | https://github.com/python/cpython/pull/20339 |
|
Insights
| https://github.com/python/cpython/pulse |
|
Code
| https://github.com/python/cpython |
|
Issues
| https://github.com/python/cpython/issues |
|
Pull requests
| https://github.com/python/cpython/pulls |
|
Actions
| https://github.com/python/cpython/actions |
|
Projects
| https://github.com/python/cpython/projects |
|
Security
| https://github.com/python/cpython/security |
|
Insights
| https://github.com/python/cpython/pulse |
| Sign up for GitHub
| https://github.com/signup?return_to=%2Fpython%2Fcpython%2Fissues%2Fnew%2Fchoose |
| terms of service | https://docs.github.com/terms |
| privacy statement | https://docs.github.com/privacy |
| Sign in | https://github.com/login?return_to=%2Fpython%2Fcpython%2Fissues%2Fnew%2Fchoose |
| Jump to bottom | https://github.com/python/cpython/pull/20339#issue-comment-box |
| rhettinger | https://github.com/rhettinger |
| python:master | https://github.com/python/cpython/tree/master |
| rhettinger:counter_subset | https://github.com/rhettinger/cpython/tree/counter_subset |
|
bpo-40755: Add missing multiset operations to Counter()
| https://github.com/python/cpython/pull/20339#top |
| rhettinger | https://github.com/rhettinger |
| python:master | https://github.com/python/cpython/tree/master |
| rhettinger:counter_subset | https://github.com/rhettinger/cpython/tree/counter_subset |
|
Conversation
4
| https://github.com/python/cpython/pull/20339 |
|
Commits
14
| https://github.com/python/cpython/pull/20339/commits |
|
Checks
0
| https://github.com/python/cpython/pull/20339/checks |
|
Files changed
| https://github.com/python/cpython/pull/20339/files |
| Please reload this page | https://github.com/python/cpython/pull/20339 |
| https://github.co/hiddenchars |
| https://github.com/python/cpython/pull/{{ revealButtonHref }} |
|
| https://github.com/rhettinger |
| rhettinger | https://github.com/rhettinger |
| May 24, 2020 | https://github.com/python/cpython/pull/20339#issue-623772849 |
| Please reload this page | https://github.com/python/cpython/pull/20339 |
| https://bugs.python.org/issue40755 | https://bugs.python.org/issue40755 |
| Please reload this page | https://github.com/python/cpython/pull/20339 |
| rhettinger | https://github.com/rhettinger |
| May 23, 2020 17:46 | https://github.com/python/cpython/pull/20339#commits-pushed-538878c |
|
| https://github.com/rhettinger |
| Add basic definitions and invariants | https://github.com/python/cpython/pull/20339/commits/538878ca9c973adfe56b80212cf16e8101552a8b |
| 538878c | https://github.com/python/cpython/pull/20339/commits/538878ca9c973adfe56b80212cf16e8101552a8b |
|
| https://github.com/rhettinger |
| Neaten-up | https://github.com/python/cpython/pull/20339/commits/ce91225470df702eabc8813b94b9334668048477 |
| ce91225 | https://github.com/python/cpython/pull/20339/commits/ce91225470df702eabc8813b94b9334668048477 |
| https://github.com/rhettinger |
| rhettinger | https://github.com/rhettinger |
|
type-feature
| https://github.com/python/cpython/issues?q=state%3Aopen%20label%3Atype-feature |
|
DO-NOT-MERGE
| https://github.com/python/cpython/issues?q=state%3Aopen%20label%3ADO-NOT-MERGE |
| May 24, 2020 | https://github.com/python/cpython/pull/20339#event-3367554839 |
| https://github.com/rhettinger |
| rhettinger | https://github.com/rhettinger |
| May 24, 2020 | https://github.com/python/cpython/pull/20339#event-3367554846 |
| https://github.com/the-knights-who-say-ni |
| the-knights-who-say-ni | https://github.com/the-knights-who-say-ni |
|
CLA signed
| https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22CLA%20signed%22 |
| May 24, 2020 | https://github.com/python/cpython/pull/20339#event-3367554892 |
| https://github.com/bedevere-bot |
| bedevere-bot | https://github.com/bedevere-bot |
|
awaiting core review
| https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20core%20review%22 |
| May 24, 2020 | https://github.com/python/cpython/pull/20339#event-3367554915 |
| https://github.com/rhettinger |
| rhettinger | https://github.com/rhettinger |
| May 24, 2020 | https://github.com/python/cpython/pull/20339#event-3367556123 |
| rhettinger | https://github.com/rhettinger |
| May 23, 2020 18:24 | https://github.com/python/cpython/pull/20339#commits-pushed-c160f82 |
|
| https://github.com/rhettinger |
| Add blurb | https://github.com/python/cpython/pull/20339/commits/c160f822a629cbab83452b9b0a56495a99e75a5e |
| c160f82 | https://github.com/python/cpython/pull/20339/commits/c160f822a629cbab83452b9b0a56495a99e75a5e |
|
| https://github.com/rhettinger |
| Remove the NotImplemented return values | https://github.com/python/cpython/pull/20339/commits/987532ff02846ffb7c162b4d75d6079366823ac3 |
| 987532f | https://github.com/python/cpython/pull/20339/commits/987532ff02846ffb7c162b4d75d6079366823ac3 |
|
| https://github.com/rhettinger |
| Handle iterable inputs. Add some tests | https://github.com/python/cpython/pull/20339/commits/6a471a1c021ed48163f2e0e8cfd0b943f36099b6 |
| 6a471a1 | https://github.com/python/cpython/pull/20339/commits/6a471a1c021ed48163f2e0e8cfd0b943f36099b6 |
|
| https://github.com/rhettinger |
| Clean-up section on omitted operations | https://github.com/python/cpython/pull/20339/commits/db9e0e6bbf4f36f88a92bc171c3bab4bf51bd428 |
| db9e0e6 | https://github.com/python/cpython/pull/20339/commits/db9e0e6bbf4f36f88a92bc171c3bab4bf51bd428 |
|
| https://github.com/rhettinger |
| Improve clarity by separating element values | https://github.com/python/cpython/pull/20339/commits/160b36561aedc8cca4328bc7e5f69412cd7723fa |
| 160b365 | https://github.com/python/cpython/pull/20339/commits/160b36561aedc8cca4328bc7e5f69412cd7723fa |
|
| https://github.com/rhettinger |
| Add tests. Handle negative values. | https://github.com/python/cpython/pull/20339/commits/9c3e9a6f8c426115531d9b971a3865753e696085 |
| 9c3e9a6 | https://github.com/python/cpython/pull/20339/commits/9c3e9a6f8c426115531d9b971a3865753e696085 |
|
| https://github.com/rhettinger |
| Isolate the predicate tests with negative counts | https://github.com/python/cpython/pull/20339/commits/8fc2b875d817aa167cc8575ef029236714ef71d3 |
| 8fc2b87 | https://github.com/python/cpython/pull/20339/commits/8fc2b875d817aa167cc8575ef029236714ef71d3 |
|
| https://github.com/rhettinger |
| Optimized early-out versions. Beef-up docstrings. | https://github.com/python/cpython/pull/20339/commits/fdbe0c182c65923c7b60ee761e8c4286857fd3d5 |
| fdbe0c1 | https://github.com/python/cpython/pull/20339/commits/fdbe0c182c65923c7b60ee761e8c4286857fd3d5 |
|
| https://github.com/rhettinger |
| Clean-ups and optimization for the common case | https://github.com/python/cpython/pull/20339/commits/5e20521516c59f83e19b685525a53b82848b03b6 |
| 5e20521 | https://github.com/python/cpython/pull/20339/commits/5e20521516c59f83e19b685525a53b82848b03b6 |
|
| https://github.com/rhettinger |
| Add documentation | https://github.com/python/cpython/pull/20339/commits/19a8b2779c0c33c88fcbb1433f6eb7585c882629 |
| 19a8b27 | https://github.com/python/cpython/pull/20339/commits/19a8b2779c0c33c88fcbb1433f6eb7585c882629 |
| https://github.com/rhettinger |
| rhettinger | https://github.com/rhettinger |
|
DO-NOT-MERGE
| https://github.com/python/cpython/issues?q=state%3Aopen%20label%3ADO-NOT-MERGE |
| May 24, 2020 | https://github.com/python/cpython/pull/20339#event-3368028728 |
| https://github.com/rhettinger |
| rhettinger | https://github.com/rhettinger |
| May 24, 2020 | https://github.com/python/cpython/pull/20339#event-3368029119 |
| https://github.com/rhettinger |
| rhettinger | https://github.com/rhettinger |
| May 24, 2020 | https://github.com/python/cpython/pull/20339#event-3368033120 |
|
| https://github.com/rhettinger |
| Use subset and superset symbols | https://github.com/python/cpython/pull/20339/commits/74c471d0662ad2d5ca964a80f01f09d68bacb0fb |
| 74c471d | https://github.com/python/cpython/pull/20339/commits/74c471d0662ad2d5ca964a80f01f09d68bacb0fb |
| https://github.com/remilapeyre |
| remilapeyre | https://github.com/remilapeyre |
|
May 24, 2020
| https://github.com/python/cpython/pull/20339#pullrequestreview-417374403 |
|
View reviewed changes
| https://github.com/python/cpython/pull/20339/files/74c471d0662ad2d5ca964a80f01f09d68bacb0fb |
| Lib/collections/__init__.py | https://github.com/python/cpython/pull/20339/files/74c471d0662ad2d5ca964a80f01f09d68bacb0fb#diff-c92f871cb9b4aa1583c89f82cd416d58a5d70fff41faf41e45dedf775dbe7713 |
| Please reload this page | https://github.com/python/cpython/pull/20339 |
| https://github.com/csabella |
| csabella | https://github.com/csabella |
|
May 26, 2020
| https://github.com/python/cpython/pull/20339#pullrequestreview-418235535 |
|
View reviewed changes
| https://github.com/python/cpython/pull/20339/files/74c471d0662ad2d5ca964a80f01f09d68bacb0fb |
| Lib/collections/__init__.py | https://github.com/python/cpython/pull/20339/files/74c471d0662ad2d5ca964a80f01f09d68bacb0fb#diff-c92f871cb9b4aa1583c89f82cd416d58a5d70fff41faf41e45dedf775dbe7713 |
| Please reload this page | https://github.com/python/cpython/pull/20339 |
|
| https://github.com/rhettinger |
| Fix typo in docstring | https://github.com/python/cpython/pull/20339/commits/f26a84ad26d37720e04eb3867671f8e7a0591342 |
| f26a84a | https://github.com/python/cpython/pull/20339/commits/f26a84ad26d37720e04eb3867671f8e7a0591342 |
| https://github.com/rhettinger |
| rhettinger | https://github.com/rhettinger |
| 6039851 | https://github.com/python/cpython/commit/60398512c86c5535edd817c99ccb50453b3b0471 |
| May 28, 2020 | https://github.com/python/cpython/pull/20339#event-3383393086 |
| https://github.com/bedevere-bot |
| bedevere-bot | https://github.com/bedevere-bot |
|
awaiting core review
| https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20core%20review%22 |
| May 28, 2020 | https://github.com/python/cpython/pull/20339#event-3383393279 |
| CuriousLearner | https://github.com/CuriousLearner |
|
May 30, 2020
| https://github.com/python/cpython/pull/20339#ref-commit-d3d7100 |
|
| https://github.com/CuriousLearner |
| Merge branch 'master' of github.com:python/cpython into bpo-26543 | https://github.com/CuriousLearner/cpython/commit/d3d710010cf15a9210861757e8526291b7389b32 |
| d3d7100 | https://github.com/CuriousLearner/cpython/commit/d3d710010cf15a9210861757e8526291b7389b32 |
| pythonGH-19748 | https://github.com/python/cpython/pull/19748 |
| pythonGH-20483 | https://github.com/python/cpython/pull/20483 |
| pythonGH-20149 | https://github.com/python/cpython/pull/20149 |
| pythonGH-18951 | https://github.com/python/cpython/pull/18951 |
| python#771 | https://github.com/python/cpython/pull/771 |
| python#20499 | https://github.com/python/cpython/pull/20499 |
| pythonGH-20435 | https://github.com/python/cpython/pull/20435 |
| pythonGH-20509 | https://github.com/python/cpython/pull/20509 |
| pythongh-17620 | https://github.com/python/cpython/pull/17620 |
| pythonGH-20448 | https://github.com/python/cpython/pull/20448 |
| pythonGH-20494 | https://github.com/python/cpython/pull/20494 |
| pythonGH-19732 | https://github.com/python/cpython/pull/19732 |
| python#19851 | https://github.com/python/cpython/pull/19851 |
| pythonGH-20492 | https://github.com/python/cpython/pull/20492 |
| pythonGH-20332 | https://github.com/python/cpython/pull/20332 |
| pythonGH-20489 | https://github.com/python/cpython/pull/20489 |
| pythonGH-20493 | https://github.com/python/cpython/pull/20493 |
| pythonGH-20339 | https://github.com/python/cpython/pull/20339 |
| pythonGH-20177 | https://github.com/python/cpython/pull/20177 |
| pythonGH-20488 | https://github.com/python/cpython/pull/20488 |
| Sign up for free | https://github.com/join?source=comment-repo |
| Sign in to comment | https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F20339 |
|
| https://github.com/csabella |
|
csabella
| https://github.com/csabella |
|
| https://github.com/python/cpython/pull/20339/files/74c471d0662ad2d5ca964a80f01f09d68bacb0fb |
|
| https://github.com/remilapeyre |
|
remilapeyre
| https://github.com/remilapeyre |
|
| https://github.com/python/cpython/pull/20339/files/74c471d0662ad2d5ca964a80f01f09d68bacb0fb |
|
| https://github.com/rhettinger |
|
rhettinger
| https://github.com/rhettinger |
|
type-feature
| https://github.com/python/cpython/issues?q=state%3Aopen%20label%3Atype-feature |
| Please reload this page | https://github.com/python/cpython/pull/20339 |
|
| https://github.com/rhettinger |
|
| https://github.com/csabella |
|
| https://github.com/remilapeyre |
|
| https://github.com/the-knights-who-say-ni |
|
| https://github.com/bedevere-bot |
|
| https://github.com |
| Terms | https://docs.github.com/site-policy/github-terms/github-terms-of-service |
| Privacy | https://docs.github.com/site-policy/privacy-policies/github-privacy-statement |
| Security | https://github.com/security |
| Status | https://www.githubstatus.com/ |
| Community | https://github.community/ |
| Docs | https://docs.github.com/ |
| Contact | https://support.github.com?tags=dotcom-footer |