{"id":19512325,"url":"https://github.com/vmchale/recursion","last_synced_at":"2026-02-15T22:32:56.852Z","repository":{"id":128761439,"uuid":"135212754","full_name":"vmchale/recursion","owner":"vmchale","description":"Recursion schemes in ATS","archived":false,"fork":false,"pushed_at":"2022-04-11T14:46:50.000Z","size":36,"stargazers_count":9,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-10-19T11:44:29.037Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":"ATS","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/vmchale.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}},"created_at":"2018-05-28T21:56:27.000Z","updated_at":"2024-06-22T08:37:00.000Z","dependencies_parsed_at":"2023-08-25T02:22:30.816Z","dependency_job_id":null,"html_url":"https://github.com/vmchale/recursion","commit_stats":null,"previous_names":[],"tags_count":1,"template":false,"template_full_name":null,"purl":"pkg:github/vmchale/recursion","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/vmchale%2Frecursion","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/vmchale%2Frecursion/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/vmchale%2Frecursion/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/vmchale%2Frecursion/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/vmchale","download_url":"https://codeload.github.com/vmchale/recursion/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/vmchale%2Frecursion/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":29490909,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-02-15T19:29:10.908Z","status":"ssl_error","status_checked_at":"2026-02-15T19:29:10.419Z","response_time":118,"last_error":"SSL_connect returned=1 errno=0 peeraddr=140.82.121.5:443 state=error: 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":"2024-11-10T23:25:29.925Z","updated_at":"2026-02-15T22:32:56.836Z","avatar_url":"https://github.com/vmchale.png","language":"ATS","funding_links":[],"categories":["Implementations"],"sub_categories":["Hylomorphisms in the Wild"],"readme":"# recursion\n\n[![Build Status](https://travis-ci.org/vmchale/recursion.svg?branch=master)](https://travis-ci.org/vmchale/recusion)\n\n## Example\n\nSum a list of integers using a catamorphism:\n\n```ats\nstaload \"SATS/recursive.sats\"\n\n#include \"DATS/recursive.dats\"\n#include \"DATS/recursive_list0.dats\"\n\nfun sum(is : list0(int)) : int =\n  let\n    fn go(i : list0f(int, int)) : int =\n      case+ i of\n        | list0_consf (x, xs) =\u003e x + xs\n        | list0_nilf() =\u003e 0\n  in\n    cata(lam x0 =\u003ccloref1\u003e go(x0), is)\n  end\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fvmchale%2Frecursion","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fvmchale%2Frecursion","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fvmchale%2Frecursion/lists"}