{"id":13831902,"url":"https://github.com/sweirich/pi-forall","last_synced_at":"2025-10-21T13:53:01.967Z","repository":{"id":9620677,"uuid":"11547874","full_name":"sweirich/pi-forall","owner":"sweirich","description":"A demo implementation of a simple dependently-typed language","archived":false,"fork":false,"pushed_at":"2024-11-18T19:26:35.000Z","size":38508,"stargazers_count":613,"open_issues_count":0,"forks_count":96,"subscribers_count":32,"default_branch":"2023","last_synced_at":"2025-10-21T13:53:00.485Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":"","language":"Haskell","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"bsd-3-clause","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/sweirich.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,"zenodo":null}},"created_at":"2013-07-20T14:13:37.000Z","updated_at":"2025-10-18T10:17:59.000Z","dependencies_parsed_at":"2022-07-09T09:30:21.776Z","dependency_job_id":"b1970c11-2626-455c-a8e3-06fe8c520790","html_url":"https://github.com/sweirich/pi-forall","commit_stats":{"total_commits":171,"total_committers":10,"mean_commits":17.1,"dds":0.5497076023391814,"last_synced_commit":"b3ea03b80449e9358ab5c957503bf6befe5084b6"},"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/sweirich/pi-forall","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/sweirich%2Fpi-forall","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/sweirich%2Fpi-forall/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/sweirich%2Fpi-forall/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/sweirich%2Fpi-forall/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/sweirich","download_url":"https://codeload.github.com/sweirich/pi-forall/tar.gz/refs/heads/2023","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/sweirich%2Fpi-forall/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":280272338,"owners_count":26302260,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","status":"online","status_checked_at":"2025-10-21T02:00:06.614Z","response_time":58,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"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":"2024-08-04T10:01:44.112Z","updated_at":"2025-10-21T13:53:01.916Z","avatar_url":"https://github.com/sweirich.png","language":"Haskell","funding_links":[],"categories":["Haskell"],"sub_categories":[],"readme":"pi-forall language\n------------------\n\nThis language implementation is designed to accompany four lectures at\nOPLSS during Summer 2023. Notes for these lectures are included in the\ndistribution:\n\n- [oplss.pdf](doc/oplss.pdf)\n\n(The documentation [README.md](doc/README.md) includes details about\nhow the notes are typeset.)\n\nThese lecture notes correspond to an increasingly expressive demo\nimplementation of a dependently-typed lambda calculus. Each of the\nfollowing subdirectories is a self-contained implementation and all \nare generated from the same source, located in the [main/](main/) \ndirectory. \n\n- [version1/](version1/):   Basic language implementation\n- [version2/](version2/):   Basic language extended with nontrivial definitional equality\n- [version3/](version3/):   Above, extended with irrelevant arguments\n- [full/](full/):           Full language with datatypes\n\nThe implementation [README.md](main/README.md) includes instructions about\nhow to compile and work with these implementations. Edits should only be for \nversions in the [main/](main/) directory.\n\nVS Code\n-------\n\nThere is a [VS Code plugin](https://github.com/dunhamsteve/pi-forall-vscode) for pi-forall.\n\nHistory\n-------\n\nThis is a revised version of lecture notes originally presented at OPLSS\nduring 2023, 2022, 2014, and 2013.\n\nVideos from the [2022](https://www.cs.uoregon.edu/research/summerschool/summer22/topics.php) and [2014](https://www.cs.uoregon.edu/research/summerschool/summer14/curriculum.html) lectures are available from the\nOPLSS website. If you watch these videos, you should look at the\ncorresponding branch of this repository. Unfortunately, the [2023](https://www.cs.uoregon.edu/research/summerschool/summer23/topics.php) recordings include only audio, and only for part of the lectures.\n\nAn abridged version of these lectures was also given at the Compose\nConference, January 2015. [Notes](old/compose.md) from this version are also available.\n\n--\nStephanie Weirich\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsweirich%2Fpi-forall","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fsweirich%2Fpi-forall","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsweirich%2Fpi-forall/lists"}