René's URL Explorer Experiment


Title: Add `BuiltInIterableIterator` for built-in iterables with `undefined` return values by lionel-rowe · Pull Request #56517 · microsoft/TypeScript · GitHub

Open Graph Title: Add `BuiltInIterableIterator` for built-in iterables with `undefined` return values by lionel-rowe · Pull Request #56517 · microsoft/TypeScript

X Title: Add `BuiltInIterableIterator` for built-in iterables with `undefined` return values by lionel-rowe · Pull Request #56517 · microsoft/TypeScript

Description: TypeScript is a superset of JavaScript that compiles to clean JavaScript output. - Add `BuiltInIterableIterator` for built-in iterables with `undefined` return values by lionel-rowe · Pull Request #56517 · microsoft/TypeScript

Open Graph Description: Fixes #52998 Adds BuiltInIterableIterator, a stricter version of IterableIterator which is adhered to by all built-in iterables. This ensures correct types for next().value and for the return value...

X Description: Fixes #52998 Adds BuiltInIterableIterator, a stricter version of IterableIterator which is adhered to by all built-in iterables. This ensures correct types for next().value and for the return value...

Opengraph URL: https://github.com/microsoft/TypeScript/pull/56517

X: @github

direct link

Domain: github.com

route-pattern/_view_fragments/voltron/pull_requests/show/:user_id/:repository/:id/pull_request_layout(.:format)
route-controllervoltron_pull_requests_fragments
route-actionpull_request_layout
fetch-noncev2:1eb5b368-c8af-40ae-d36f-ee2f65d3ef8a
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-idCDB0:29A67B:1302B5A:1BF119E:6A4E4218
html-safe-noncefc15d9a3b96650c9b891b0044ad85c2f196f45f34526697e3c09615500498488
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJDREIwOjI5QTY3QjoxMzAyQjVBOjFCRjExOUU6NkE0RTQyMTgiLCJ2aXNpdG9yX2lkIjoiNjYyMDEyNzQ1OTI4MTg3OTU3NiIsInJlZ2lvbl9lZGdlIjoiaWFkIiwicmVnaW9uX3JlbmRlciI6ImlhZCJ9
visitor-hmac34eb2c8df023f1b0a82d84592bee2f8aa1f17ce6ad6f55648515ffcb405a118f
hovercard-subject-tagpull_request:1614017275
github-keyboard-shortcutsrepository,pull-request-list,pull-request-conversation,pull-request-files-changed,copilot
google-site-verificationApib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-urlhttps://collector.github.com/github/collect
analytics-location///voltron/pull_requests_fragments/pull_request_layout
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/_view_fragments/voltron/pull_requests/show/microsoft/TypeScript/56517/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/0d8d32d261908c55276d33411179bd61cb09cfa5825fc5bc770ec306b65014ea/microsoft/TypeScript/pull/56517
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/0d8d32d261908c55276d33411179bd61cb09cfa5825fc5bc770ec306b65014ea/microsoft/TypeScript/pull/56517
og:image:altFixes #52998 Adds BuiltInIterableIterator, a stricter version of IterableIterator which is adhered to by all built-in iterables. This ensures correct types for next().value and for the return value...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernamelionel-rowe
hostnamegithub.com
expected-hostnamegithub.com
None030096ee0db095447bfe77409d33bfac127ca7128299c58deef27c52eaa1b1f0
turbo-cache-controlno-cache
go-importgithub.com/microsoft/TypeScript git https://github.com/microsoft/TypeScript.git
octolytics-dimension-user_id6154722
octolytics-dimension-user_loginmicrosoft
octolytics-dimension-repository_id20929025
octolytics-dimension-repository_nwomicrosoft/TypeScript
octolytics-dimension-repository_publictrue
octolytics-dimension-repository_is_forkfalse
octolytics-dimension-repository_network_root_id20929025
octolytics-dimension-repository_network_root_nwomicrosoft/TypeScript
turbo-body-classeslogged-out env-production page-responsive
disable-turbofalse
browser-stats-urlhttps://api.github.com/_private/browser/stats
browser-errors-urlhttps://api.github.com/_private/browser/errors
release9fabff9b8b127e686a3ec86f91422e818056ca2c
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/microsoft/TypeScript/pull/56517#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fmicrosoft%2FTypeScript%2Fpull%2F56517
GitHub CopilotWrite better code with AIhttps://github.com/features/copilot
GitHub Copilot appDirect agents from issue to mergehttps://github.com/features/ai/github-app
MCP RegistryNewIntegrate external toolshttps://github.com/mcp
ActionsAutomate any workflowhttps://github.com/features/actions
CodespacesInstant dev environmentshttps://github.com/features/codespaces
IssuesPlan and track workhttps://github.com/features/issues
Code ReviewManage code changeshttps://github.com/features/code-review
GitHub Advanced SecurityFind and fix vulnerabilitieshttps://github.com/security/advanced-security
Code securitySecure your code as you buildhttps://github.com/security/advanced-security/code-security
Secret protectionStop leaks before they starthttps://github.com/security/advanced-security/secret-protection
Why GitHubhttps://github.com/why-github
Documentationhttps://docs.github.com
Bloghttps://github.blog
Changeloghttps://github.blog/changelog
Marketplacehttps://github.com/marketplace
View all featureshttps://github.com/features
Enterpriseshttps://github.com/enterprise
Small and medium teamshttps://github.com/team
Startupshttps://github.com/enterprise/startups
Nonprofitshttps://github.com/solutions/industry/nonprofits
App Modernizationhttps://github.com/solutions/use-case/app-modernization
DevSecOpshttps://github.com/solutions/use-case/devsecops
DevOpshttps://github.com/solutions/use-case/devops
CI/CDhttps://github.com/solutions/use-case/ci-cd
View all use caseshttps://github.com/solutions/use-case
Healthcarehttps://github.com/solutions/industry/healthcare
Financial serviceshttps://github.com/solutions/industry/financial-services
Manufacturinghttps://github.com/solutions/industry/manufacturing
Governmenthttps://github.com/solutions/industry/government
View all industrieshttps://github.com/solutions/industry
View all solutionshttps://github.com/solutions
AIhttps://github.com/resources/articles?topic=ai
Software Developmenthttps://github.com/resources/articles?topic=software-development
DevOpshttps://github.com/resources/articles?topic=devops
Securityhttps://github.com/resources/articles?topic=security
View all topicshttps://github.com/resources/articles
Customer storieshttps://github.com/customer-stories
Events & webinarshttps://github.com/resources/events
Ebooks & reportshttps://github.com/resources/whitepapers
Business insightshttps://github.com/solutions/executive-insights
GitHub Skillshttps://skills.github.com
Documentationhttps://docs.github.com
Customer supporthttps://support.github.com
Community forumhttps://github.com/orgs/community/discussions
Trust centerhttps://github.com/trust-center
Partnershttps://github.com/partners
View all resourceshttps://github.com/resources
GitHub SponsorsFund open source developershttps://github.com/sponsors
Security Labhttps://securitylab.github.com
Maintainer Communityhttps://maintainers.github.com
Acceleratorhttps://github.com/accelerator
GitHub Starshttps://stars.github.com
Archive Programhttps://archiveprogram.github.com
Topicshttps://github.com/topics
Trendinghttps://github.com/trending
Collectionshttps://github.com/collections
Enterprise platformAI-powered developer platformhttps://github.com/enterprise
GitHub Advanced SecurityEnterprise-grade security featureshttps://github.com/security/advanced-security
Copilot for BusinessEnterprise-grade AI featureshttps://github.com/features/copilot/copilot-business
Premium SupportEnterprise-grade 24/7 supporthttps://github.com/premium-support
Pricinghttps://github.com/pricing
Search syntax tipshttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
documentationhttps://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%2Fmicrosoft%2FTypeScript%2Fpull%2F56517
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=microsoft%2FTypeScript
Reloadhttps://github.com/microsoft/TypeScript/pull/56517
Reloadhttps://github.com/microsoft/TypeScript/pull/56517
Reloadhttps://github.com/microsoft/TypeScript/pull/56517
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/56517
microsoft https://github.com/microsoft
TypeScripthttps://github.com/microsoft/TypeScript
Notifications https://github.com/login?return_to=%2Fmicrosoft%2FTypeScript
Fork 13.5k https://github.com/login?return_to=%2Fmicrosoft%2FTypeScript
Star 110k https://github.com/login?return_to=%2Fmicrosoft%2FTypeScript
Code https://github.com/microsoft/TypeScript
Issues 5k+ https://github.com/microsoft/TypeScript/issues
Pull requests 32 https://github.com/microsoft/TypeScript/pulls
Actions https://github.com/microsoft/TypeScript/actions
Projects https://github.com/microsoft/TypeScript/projects
Models https://github.com/microsoft/TypeScript/models
Wiki https://github.com/microsoft/TypeScript/wiki
Security and quality 0 https://github.com/microsoft/TypeScript/security
Insights https://github.com/microsoft/TypeScript/pulse
Code https://github.com/microsoft/TypeScript
Issues https://github.com/microsoft/TypeScript/issues
Pull requests https://github.com/microsoft/TypeScript/pulls
Actions https://github.com/microsoft/TypeScript/actions
Projects https://github.com/microsoft/TypeScript/projects
Models https://github.com/microsoft/TypeScript/models
Wiki https://github.com/microsoft/TypeScript/wiki
Security and quality https://github.com/microsoft/TypeScript/security
Insights https://github.com/microsoft/TypeScript/pulse
lionel-rowehttps://github.com/lionel-rowe
microsoft:mainhttps://github.com/microsoft/TypeScript/tree/main
lionel-rowe:builtin-iterable-iterator-return-undefinedhttps://github.com/lionel-rowe/TypeScript/tree/builtin-iterable-iterator-return-undefined
Conversationhttps://github.com/microsoft/TypeScript/pull/56517
Commits1 (1)https://github.com/microsoft/TypeScript/pull/56517/commits
Checkshttps://github.com/microsoft/TypeScript/pull/56517/checks
Files changedhttps://github.com/microsoft/TypeScript/pull/56517/files
Add BuiltInIterableIterator for built-in iterables with undefined return valueshttps://github.com/microsoft/TypeScript/pull/56517#top
lionel-rowehttps://github.com/lionel-rowe
microsoft:mainhttps://github.com/microsoft/TypeScript/tree/main
lionel-rowe:builtin-iterable-iterator-return-undefinedhttps://github.com/lionel-rowe/TypeScript/tree/builtin-iterable-iterator-return-undefined
https://github.com/lionel-rowe
lionel-rowehttps://github.com/lionel-rowe
Nov 23, 2023https://github.com/microsoft/TypeScript/pull/56517#issue-2007702596
#52998https://github.com/microsoft/TypeScript/issues/52998
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/56517
https://github.com/lionel-rowe
Add BuiltInIterableIterator for built-in iterables with undefined ret…https://github.com/microsoft/TypeScript/pull/56517/commits/539d47c570796a8b36ed5e847509e254ea4bd392
539d47chttps://github.com/microsoft/TypeScript/pull/56517/commits/539d47c570796a8b36ed5e847509e254ea4bd392
https://github.com/typescript-bot
typescript-bothttps://github.com/typescript-bot
rbucktonhttps://github.com/rbuckton
Nov 23, 2023https://github.com/microsoft/TypeScript/pull/56517#event-11044494123
https://github.com/typescript-bot
typescript-bothttps://github.com/typescript-bot
For Uncommitted Bug https://github.com/microsoft/TypeScript/issues?q=state%3Aopen%20label%3A%22For%20Uncommitted%20Bug%22
Nov 23, 2023https://github.com/microsoft/TypeScript/pull/56517#event-11044494331
https://github.com/lionel-rowe
lionel-rowehttps://github.com/lionel-rowe
November 23, 2023 09:08https://github.com/microsoft/TypeScript/pull/56517#event-11044909121
https://github.com/lionel-rowe
lionel-rowehttps://github.com/lionel-rowe
Nov 24, 2023 https://github.com/microsoft/TypeScript/pull/56517#ref-issue-1600973755
Built-in Symbol.iterator methods return IterableIterator extending Iterator, not Iterator #52998 https://github.com/microsoft/TypeScript/issues/52998
https://github.com/Jack-Works
Jack-Workshttps://github.com/Jack-Works
Nov 24, 2023https://github.com/microsoft/TypeScript/pull/56517#issuecomment-1825287531
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/56517
https://github.com/lionel-rowe
lionel-rowehttps://github.com/lionel-rowe
Nov 24, 2023https://github.com/microsoft/TypeScript/pull/56517#issuecomment-1825299367
#52998 (comment)https://github.com/microsoft/TypeScript/issues/52998#issuecomment-1822085956
#52998 (comment)https://github.com/microsoft/TypeScript/issues/52998#issuecomment-1825100980
#36239https://github.com/microsoft/TypeScript/issues/36239
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/56517
https://github.com/rbuckton
rbucktonhttps://github.com/rbuckton
Apr 18, 2024 https://github.com/microsoft/TypeScript/pull/56517#ref-pullrequest-2251303654
Add TReturn/TNext to Iterable et al #58243 https://github.com/microsoft/TypeScript/pull/58243
https://github.com/rbuckton
rbucktonhttps://github.com/rbuckton
#58243 https://github.com/microsoft/TypeScript/pull/58243
Jul 19, 2024https://github.com/microsoft/TypeScript/pull/56517#event-13578599229
https://github.com/rbuckton
rbucktonhttps://github.com/rbuckton
Jul 19, 2024https://github.com/microsoft/TypeScript/pull/56517#issuecomment-2240169525
#58243https://github.com/microsoft/TypeScript/pull/58243
#58222https://github.com/microsoft/TypeScript/pull/58222
#58222https://github.com/microsoft/TypeScript/pull/58222
#58243https://github.com/microsoft/TypeScript/pull/58243
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/56517
https://github.com/microsoft
microsofthttps://github.com/microsoft
Oct 16, 2025https://github.com/microsoft/TypeScript/pull/56517#event-20324816005
https://github.co/hiddenchars
https://github.com/microsoft/TypeScript/pull/{{ revealButtonHref }}
Sign up for freehttps://github.com/join?source=comment-repo
Sign inhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fmicrosoft%2FTypeScript%2Fpull%2F56517
Copilot code review https://github.com/apps/copilot-pull-request-reviewer
Copilot https://github.com/apps/copilot-pull-request-reviewer
https://github.com/rbuckton
rbuckton https://github.com/rbuckton
For Uncommitted Bug https://github.com/microsoft/TypeScript/issues?q=state%3Aopen%20label%3A%22For%20Uncommitted%20Bug%22
Built-in Symbol.iterator methods return IterableIterator extending Iterator, not Iterator https://github.com/microsoft/TypeScript/issues/52998
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/56517
https://github.com/lionel-rowe
https://github.com/Jack-Works
https://github.com/rbuckton
https://github.com/typescript-bot
https://github.com
Termshttps://docs.github.com/site-policy/github-terms/github-terms-of-service
Privacyhttps://docs.github.com/site-policy/privacy-policies/github-privacy-statement
Securityhttps://github.com/security
Statushttps://www.githubstatus.com/
Communityhttps://github.community/
Docshttps://docs.github.com/
Contacthttps://support.github.com?tags=dotcom-footer

Viewport: width=device-width


URLs of crawlers that visited me.