{"id":17177287,"url":"https://github.com/lexi-lambda/racket-higher-rank","last_synced_at":"2026-02-26T01:07:37.689Z","repository":{"id":145601546,"uuid":"88432777","full_name":"lexi-lambda/racket-higher-rank","owner":"lexi-lambda","description":null,"archived":false,"fork":false,"pushed_at":"2017-05-09T16:34:21.000Z","size":9,"stargazers_count":21,"open_issues_count":0,"forks_count":0,"subscribers_count":3,"default_branch":"master","last_synced_at":"2025-10-31T09:39:39.233Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":"Racket","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"isc","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/lexi-lambda.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2017-04-16T18:01:19.000Z","updated_at":"2021-02-19T12:05:05.000Z","dependencies_parsed_at":"2023-04-10T19:55:37.589Z","dependency_job_id":null,"html_url":"https://github.com/lexi-lambda/racket-higher-rank","commit_stats":{"total_commits":4,"total_committers":1,"mean_commits":4.0,"dds":0.0,"last_synced_commit":"c228eba6e1f7db741860d1db7622b68ec70daa80"},"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/lexi-lambda/racket-higher-rank","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lexi-lambda%2Fracket-higher-rank","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lexi-lambda%2Fracket-higher-rank/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lexi-lambda%2Fracket-higher-rank/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lexi-lambda%2Fracket-higher-rank/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/lexi-lambda","download_url":"https://codeload.github.com/lexi-lambda/racket-higher-rank/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lexi-lambda%2Fracket-higher-rank/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":29846953,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-02-25T22:37:40.667Z","status":"ssl_error","status_checked_at":"2026-02-25T22:37:25.960Z","response_time":61,"last_error":"SSL_read: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2024-10-15T00:03:31.115Z","updated_at":"2026-02-26T01:07:37.672Z","avatar_url":"https://github.com/lexi-lambda.png","language":"Racket","funding_links":[],"categories":[],"sub_categories":[],"readme":"# higher-rank\n\nA Racket implementation of [Complete and Easy Bidirectional Typechecking\nfor Higher-Rank Polymorphism][complete-and-easy] using the techniques outlined in [Type Systems as Macros][types-as-macros]. This is a sister project to [the simpler Haskell implementation][haskell-higher-rank] from which it is adapted.\n\nThis project should be installed as a Racket package, and it defines `#lang higher-rank`. You can run a REPL from within DrRacket, or you can use the command line:\n\n```\n$ cd racket-higher-rank\n$ raco pkg install\n$ racket -iI higher-rank\nWelcome to Racket v6.8.0.3.\n\u003e unit\n: Unit\n#\u003cunit\u003e\n\u003e (lambda x x)\n: (-\u003e g1^ g1^)\n#\u003cprocedure:...er-rank/main.rkt:70:18\u003e\n\u003e ((: (lambda id ((id (lambda x x)) (id unit)))\n      (-\u003e (forall a (-\u003e a a)) Unit))\n   (lambda x x))\n: Unit\n#\u003cunit\u003e\n```\n\n[complete-and-easy]: http://www.cs.cmu.edu/~joshuad/papers/bidir/\n[types-as-macros]: http://www.ccs.neu.edu/home/stchang/popl2017/\n[haskell-higher-rank]: https://github.com/lexi-lambda/higher-rank\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flexi-lambda%2Fracket-higher-rank","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Flexi-lambda%2Fracket-higher-rank","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flexi-lambda%2Fracket-higher-rank/lists"}