{"id":15557175,"url":"https://github.com/414owen/pure-lambda","last_synced_at":"2025-07-04T18:32:23.070Z","repository":{"id":131089454,"uuid":"154231601","full_name":"414owen/pure-lambda","owner":"414owen","description":"Lambda calculus expression simplifier repl","archived":false,"fork":false,"pushed_at":"2018-11-10T14:20:46.000Z","size":25,"stargazers_count":2,"open_issues_count":0,"forks_count":0,"subscribers_count":4,"default_branch":"master","last_synced_at":"2025-02-03T13:27:08.292Z","etag":null,"topics":["bison","flex","functional","lambda","lambda-calculus","lambda-expressions","math","mathematics","parser-generator"],"latest_commit_sha":null,"homepage":"https://owen.cafe/try-lambda/","language":"C","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/414owen.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"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":"2018-10-22T23:39:24.000Z","updated_at":"2023-11-07T12:49:55.000Z","dependencies_parsed_at":null,"dependency_job_id":"f409870b-21dd-4a25-ba88-2c52a6d76bcb","html_url":"https://github.com/414owen/pure-lambda","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/414owen%2Fpure-lambda","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/414owen%2Fpure-lambda/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/414owen%2Fpure-lambda/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/414owen%2Fpure-lambda/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/414owen","download_url":"https://codeload.github.com/414owen/pure-lambda/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":246135749,"owners_count":20729056,"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","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":["bison","flex","functional","lambda","lambda-calculus","lambda-expressions","math","mathematics","parser-generator"],"created_at":"2024-10-02T15:16:31.506Z","updated_at":"2025-03-29T03:40:16.962Z","avatar_url":"https://github.com/414owen.png","language":"C","readme":"# Lambda REPL\n\nA lambda expression parser and step-by-step evaluator.\n\nBuild dependencies: readline headers\n\n### To build:\n\n```bash\n$ make\n```\n### To Run:\n\n```\n./lambda\n```\n\n### Usage:\n\nEnter lambda expressions in the following notation:\n\n```\n\u003e a\na\n\n\u003e aa\naa\n\n\u003e ab\nab\n\n\u003e \\a.a\na-\u003ea\n\n\u003e (\\a.a)b\n(a-\u003ea)b\nb\n\n\u003e (\\a.ab)c\n(a-\u003eab)c\ncb\n\n\u003e (\\a.a)(\\b.b)\n(a-\u003ea)(b-\u003eb)\nb-\u003eb\n\n\u003e (\\a.a)\\a.a\n(a-\u003ea)(a-\u003ea)\na-\u003ea\n\n\u003e (\\a.aa)(\\b.b)\n(a-\u003eaa)(b-\u003eb)\n(b-\u003eb)(b-\u003eb)\nb-\u003eb\n\n\u003e (\\a.aaaa)(\\b.b)\n(a-\u003eaaaa)(b-\u003eb)\n(b-\u003eb)(b-\u003eb)(b-\u003eb)(b-\u003eb)\n(b-\u003eb)(b-\u003eb)(b-\u003eb)\n(b-\u003eb)(b-\u003eb)\nb-\u003eb\n\n\u003e (\\a.a)(\\b.b)(\\c.cc)da\n(a-\u003ea)(b-\u003eb)(c-\u003ecc)da\n(b-\u003eb)(c-\u003ecc)da\n(c-\u003ecc)da\ndda\n\n\u003e (\\a.(\\b.bb)a)a\n(a-\u003e(b-\u003ebb)a)c\n(b-\u003ebb)c\ncc\n\n\u003e \\abc.cba\na-\u003eb-\u003ec-\u003ecba\n\n\u003e (\\ab.ba)\\cc.c\n(a-\u003eb-\u003eba)(c-\u003ec-\u003ec)\nb-\u003eb(c-\u003ec-\u003ec)\n```\n","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2F414owen%2Fpure-lambda","html_url":"https://awesome.ecosyste.ms/projects/github.com%2F414owen%2Fpure-lambda","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2F414owen%2Fpure-lambda/lists"}