René's URL Explorer Experiment


Title: Derive Developer Facing States by rcosta358 · Pull Request #220 · liquid-java/liquidjava · GitHub

Open Graph Title: Derive Developer Facing States by rcosta358 · Pull Request #220 · liquid-java/liquidjava

X Title: Derive Developer Facing States by rcosta358 · Pull Request #220 · liquid-java/liquidjava

Description: Refinement type checker for Java with liquid types and typestates - catch bugs at compile time - Derive Developer Facing States by rcosta358 · Pull Request #220 · liquid-java/liquidjava

Open Graph Description: Description This PR improves error messages by deriving developer-facing states from internal state equalities. When an error contains an internal equality like state1(new) == state1(old) plus a kn...

X Description: Description This PR improves error messages by deriving developer-facing states from internal state equalities. When an error contains an internal equality like state1(new) == state1(old) plus a kn...

Opengraph URL: https://github.com/liquid-java/liquidjava/pull/220

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:c5c941bf-c197-0eac-25cc-87a73462e3bb
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-idE714:38806:8E51F4:C12C77:6A62E8A5
html-safe-nonce3d510465725789f0e587653e40cee0123f7f2a5cf9c1b4085c30379414e511ef
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJFNzE0OjM4ODA2OjhFNTFGNDpDMTJDNzc6NkE2MkU4QTUiLCJ2aXNpdG9yX2lkIjoiNDQ0MzM5MTAwODA3MzUwOTAyOSIsInJlZ2lvbl9lZGdlIjoiaWFkIiwicmVnaW9uX3JlbmRlciI6ImlhZCJ9
visitor-hmac609e24f652d672e3c95f0815c226491c556eed3c0293fc54ccb82c730e27d253
hovercard-subject-tagpull_request:3675389970
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/liquid-java/liquidjava/220/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/6d2fb7866fcb25c675ca36e6056a2d7b2da3ff3ec78e299b1fa6b33a34225667/liquid-java/liquidjava/pull/220
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/6d2fb7866fcb25c675ca36e6056a2d7b2da3ff3ec78e299b1fa6b33a34225667/liquid-java/liquidjava/pull/220
og:image:altDescription This PR improves error messages by deriving developer-facing states from internal state equalities. When an error contains an internal equality like state1(new) == state1(old) plus a kn...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernamercosta358
hostnamegithub.com
expected-hostnamegithub.com
Nonedf33b1b61ee7b9a0af988199bfc3503c9c1acafb1f1d40e1f140ea7c84f890dd
turbo-cache-controlno-cache
go-importgithub.com/liquid-java/liquidjava git https://github.com/liquid-java/liquidjava.git
octolytics-dimension-user_id242831829
octolytics-dimension-user_loginliquid-java
octolytics-dimension-repository_id258218369
octolytics-dimension-repository_nwoliquid-java/liquidjava
octolytics-dimension-repository_publictrue
octolytics-dimension-repository_is_forkfalse
octolytics-dimension-repository_network_root_id258218369
octolytics-dimension-repository_network_root_nwoliquid-java/liquidjava
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
released41cd1bdb290013455c0ac430fa755621733f5eb
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/liquid-java/liquidjava/pull/220#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fliquid-java%2Fliquidjava%2Fpull%2F220
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
Code QualityEnforce quality at mergehttps://github.com/features/code-quality
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/open-source/sponsors
Security Labhttps://securitylab.github.com
Maintainer Communityhttps://maintainers.github.com
Acceleratorhttps://github.com/open-source/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/enterprise/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%2Fliquid-java%2Fliquidjava%2Fpull%2F220
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=liquid-java%2Fliquidjava
Reloadhttps://github.com/liquid-java/liquidjava/pull/220
Reloadhttps://github.com/liquid-java/liquidjava/pull/220
Reloadhttps://github.com/liquid-java/liquidjava/pull/220
Please reload this pagehttps://github.com/liquid-java/liquidjava/pull/220
liquid-java https://github.com/liquid-java
liquidjavahttps://github.com/liquid-java/liquidjava
Notifications https://github.com/login?return_to=%2Fliquid-java%2Fliquidjava
Fork 36 https://github.com/login?return_to=%2Fliquid-java%2Fliquidjava
Star 65 https://github.com/login?return_to=%2Fliquid-java%2Fliquidjava
Code https://github.com/liquid-java/liquidjava
Issues 20 https://github.com/liquid-java/liquidjava/issues
Pull requests 8 https://github.com/liquid-java/liquidjava/pulls
Actions https://github.com/liquid-java/liquidjava/actions
Projects https://github.com/liquid-java/liquidjava/projects
Security and quality 0 https://github.com/liquid-java/liquidjava/security
Insights https://github.com/liquid-java/liquidjava/pulse
Code https://github.com/liquid-java/liquidjava
Issues https://github.com/liquid-java/liquidjava/issues
Pull requests https://github.com/liquid-java/liquidjava/pulls
Actions https://github.com/liquid-java/liquidjava/actions
Projects https://github.com/liquid-java/liquidjava/projects
Security and quality https://github.com/liquid-java/liquidjava/security
Insights https://github.com/liquid-java/liquidjava/pulse
rcosta358https://github.com/rcosta358
mainhttps://github.com/liquid-java/liquidjava/tree/main
derive-stateshttps://github.com/liquid-java/liquidjava/tree/derive-states
Conversationhttps://github.com/liquid-java/liquidjava/pull/220
Commits2 (2)https://github.com/liquid-java/liquidjava/pull/220/commits
Checkshttps://github.com/liquid-java/liquidjava/pull/220/checks
Files changedhttps://github.com/liquid-java/liquidjava/pull/220/files
Derive Developer Facing Stateshttps://github.com/liquid-java/liquidjava/pull/220#top
rcosta358https://github.com/rcosta358
mainhttps://github.com/liquid-java/liquidjava/tree/main
derive-stateshttps://github.com/liquid-java/liquidjava/tree/derive-states
https://github.com/rcosta358
rcosta358https://github.com/rcosta358
May 13, 2026https://github.com/liquid-java/liquidjava/pull/220#issue-4437021555
Please reload this pagehttps://github.com/liquid-java/liquidjava/pull/220
#206https://github.com/liquid-java/liquidjava/issues/206
Please reload this pagehttps://github.com/liquid-java/liquidjava/pull/220
https://github.com/rcosta358
Derive Stateshttps://github.com/liquid-java/liquidjava/pull/220/commits/883c9ae092fefc86dbe542795fd0d2b16da98621
883c9aehttps://github.com/liquid-java/liquidjava/pull/220/commits/883c9ae092fefc86dbe542795fd0d2b16da98621
https://github.com/rcosta358
rcosta358https://github.com/rcosta358
CatarinaGamboahttps://github.com/CatarinaGamboa
May 13, 2026 10:22https://github.com/liquid-java/liquidjava/pull/220#event-25476447475
https://github.com/rcosta358
rcosta358https://github.com/rcosta358
May 13, 2026https://github.com/liquid-java/liquidjava/pull/220#event-25476447615
https://github.com/rcosta358
rcosta358https://github.com/rcosta358
error messages https://github.com/liquid-java/liquidjava/issues?q=state%3Aopen%20label%3A%22error%20messages%22
May 13, 2026https://github.com/liquid-java/liquidjava/pull/220#event-25476448159
https://github.com/alcides
alcideshttps://github.com/alcides
May 13, 2026https://github.com/liquid-java/liquidjava/pull/220#issuecomment-4440033504
Please reload this pagehttps://github.com/liquid-java/liquidjava/pull/220
https://github.com/CatarinaGamboa
CatarinaGamboahttps://github.com/CatarinaGamboa
May 13, 2026https://github.com/liquid-java/liquidjava/pull/220#issuecomment-4440114459
Please reload this pagehttps://github.com/liquid-java/liquidjava/pull/220
https://github.com/alcides
alcideshttps://github.com/alcides
May 13, 2026https://github.com/liquid-java/liquidjava/pull/220#issuecomment-4440147135
Please reload this pagehttps://github.com/liquid-java/liquidjava/pull/220
https://github.com/CatarinaGamboa
CatarinaGamboahttps://github.com/CatarinaGamboa
May 13, 2026https://github.com/liquid-java/liquidjava/pull/220#issuecomment-4441230587
Please reload this pagehttps://github.com/liquid-java/liquidjava/pull/220
https://github.com/CatarinaGamboa
CatarinaGamboahttps://github.com/CatarinaGamboa
May 14, 2026https://github.com/liquid-java/liquidjava/pull/220#issuecomment-4450009964
@rcosta358https://github.com/rcosta358
Please reload this pagehttps://github.com/liquid-java/liquidjava/pull/220
https://github.com/rcosta358
rcosta358https://github.com/rcosta358
May 14, 2026https://github.com/liquid-java/liquidjava/pull/220#issuecomment-4450025911
Please reload this pagehttps://github.com/liquid-java/liquidjava/pull/220
https://github.com/rcosta358
Merge branch 'main' into derive-stateshttps://github.com/liquid-java/liquidjava/pull/220/commits/387e19ba70dd2da7b2f9499a5e750af3b4536e99
387e19bhttps://github.com/liquid-java/liquidjava/pull/220/commits/387e19ba70dd2da7b2f9499a5e750af3b4536e99
https://github.com/CatarinaGamboa
CatarinaGamboahttps://github.com/CatarinaGamboa
May 14, 2026 https://github.com/liquid-java/liquidjava/pull/220#pullrequestreview-4292185763
View reviewed changes https://github.com/liquid-java/liquidjava/pull/220/files/883c9ae092fefc86dbe542795fd0d2b16da98621
CatarinaGamboahttps://github.com/CatarinaGamboa
https://github.com/liquid-java/liquidjava/pull/220#pullrequestreview-4292185763
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/liquid-java/liquidjava/pull/220
https://github.com/rcosta358
rcosta358https://github.com/rcosta358
May 29, 2026 17:13https://github.com/liquid-java/liquidjava/pull/220#event-26120504107
https://github.com/rcosta358
rcosta358https://github.com/rcosta358
simplification https://github.com/liquid-java/liquidjava/issues?q=state%3Aopen%20label%3Asimplification
error messages https://github.com/liquid-java/liquidjava/issues?q=state%3Aopen%20label%3A%22error%20messages%22
May 29, 2026https://github.com/liquid-java/liquidjava/pull/220#event-26120507709
https://github.com/rcosta358
rcosta358https://github.com/rcosta358
force-pushedhttps://github.com/liquid-java/liquidjava/compare/ed490d330b98365fb9ec29bc0182ff58953b5956..387e19ba70dd2da7b2f9499a5e750af3b4536e99
ed490d3https://github.com/liquid-java/liquidjava/commit/ed490d330b98365fb9ec29bc0182ff58953b5956
387e19bhttps://github.com/liquid-java/liquidjava/commit/387e19ba70dd2da7b2f9499a5e750af3b4536e99
Compare https://github.com/liquid-java/liquidjava/compare/ed490d330b98365fb9ec29bc0182ff58953b5956..387e19ba70dd2da7b2f9499a5e750af3b4536e99
June 9, 2026 13:07https://github.com/liquid-java/liquidjava/pull/220#event-26524071485
https://github.co/hiddenchars
https://github.com/liquid-java/liquidjava/pull/{{ revealButtonHref }}
Sign up for freehttps://github.com/join?source=comment-repo
Sign in to commenthttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fliquid-java%2Fliquidjava%2Fpull%2F220
https://github.com/CatarinaGamboa
CatarinaGamboa https://github.com/CatarinaGamboa
https://github.com/liquid-java/liquidjava/pull/220/files/883c9ae092fefc86dbe542795fd0d2b16da98621
https://github.com/rcosta358
rcosta358 https://github.com/rcosta358
simplification https://github.com/liquid-java/liquidjava/issues?q=state%3Aopen%20label%3Asimplification
State Names Displayed with Internal Identifiers https://github.com/liquid-java/liquidjava/issues/206
Please reload this pagehttps://github.com/liquid-java/liquidjava/pull/220
https://github.com/rcosta358
https://github.com/alcides
https://github.com/CatarinaGamboa
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.