{"id":31532696,"url":"https://github.com/floatdrop/ringchan","last_synced_at":"2025-10-04T03:57:58.680Z","repository":{"id":300080326,"uuid":"1005103782","full_name":"floatdrop/ringchan","owner":"floatdrop","description":"Ring buffer channel for Go","archived":false,"fork":false,"pushed_at":"2025-06-19T19:05:45.000Z","size":9,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":0,"default_branch":"main","last_synced_at":"2025-06-19T19:44:00.740Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":"Go","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/floatdrop.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":"2025-06-19T17:11:57.000Z","updated_at":"2025-06-19T19:05:48.000Z","dependencies_parsed_at":"2025-06-19T19:44:02.619Z","dependency_job_id":"825b7a00-88c4-40dd-86f9-208faa2887a1","html_url":"https://github.com/floatdrop/ringchan","commit_stats":null,"previous_names":["floatdrop/ringchan"],"tags_count":1,"template":false,"template_full_name":null,"purl":"pkg:github/floatdrop/ringchan","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/floatdrop%2Fringchan","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/floatdrop%2Fringchan/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/floatdrop%2Fringchan/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/floatdrop%2Fringchan/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/floatdrop","download_url":"https://codeload.github.com/floatdrop/ringchan/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/floatdrop%2Fringchan/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":278262443,"owners_count":25957938,"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":"2025-10-04T02:00:05.491Z","response_time":63,"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":"2025-10-04T03:57:51.961Z","updated_at":"2025-10-04T03:57:58.675Z","avatar_url":"https://github.com/floatdrop.png","language":"Go","funding_links":[],"categories":[],"sub_categories":[],"readme":"# RingChan\n\n[![CI](https://github.com/floatdrop/ringchan/actions/workflows/ci.yaml/badge.svg)](https://github.com/floatdrop/ringchan/actions/workflows/ci.yaml)\n![Coverage](https://img.shields.io/badge/Coverage-90.9%25-brightgreen)\n[![Go Report Card](https://goreportcard.com/badge/github.com/floatdrop/ringchan)](https://goreportcard.com/report/github.com/floatdrop/ringchan)\n[![Go Reference](https://pkg.go.dev/badge/github.com/floatdrop/ringchan.svg)](https://pkg.go.dev/github.com/floatdrop/ringchan)\n[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)\n\n**RingChan** is a thread-safe, fixed-capacity ring buffer implemented as a channel in Go. It mimics Go's channel behavior while providing ring-buffer semantics — meaning **new items overwrite the oldest when full**.\n\n## Features\n\n- Fixed-size buffer with overwrite behavior\n- Range-friendly: can be iterated using `for ... range`\n- Safe for concurrent producers and consumers\n\n## Installation\n\n```bash\ngo get github.com/floatdrop/ringchan\n```\n\n## Usage\n\n```go\npackage main\n\nimport (\n\t\"fmt\"\n\t\"time\"\n\n\t\"github.com/floatdrop/ringchan\"\n)\n\nfunc main() {\n\tinput := make(chan string, 5)\n\tring := ringchan.New(input, 3)\n\n\tgo func() {\n\t\tinputs := []string{\"A\", \"B\", \"C\", \"D\", \"E\"}\n\t\tfor _, v := range inputs {\n\t\t\tinput \u003c- v\n\t\t}\n\t\tclose(input)\n\t}()\n\n\ttime.Sleep(50 * time.Millisecond)\n\n\tfor v := range ring.C {\n\t\tfmt.Println(\"Got:\", v)\n\t}\n\n\t// Output:\n\t// Got: C\n\t// Got: D\n\t// Got: E\n}\n```\n\n## Benchmarks\n\n```bash\ngo test -bench=. -benchmem\n```\n\n```\ngoos: darwin\ngoarch: arm64\npkg: github.com/floatdrop/ringchan\ncpu: Apple M1 Pro\nBenchmarkSingleSender-10       \t 7097070\t       167.3 ns/op\t       0 B/op\t       0 allocs/op\nBenchmarkParallelSenders-10    \t 4145682\t       295.0 ns/op\t       0 B/op\t       0 allocs/op\nPASS\ncoverage: 90.9% of statements\nok  \tgithub.com/floatdrop/ringchan\t3.050s\n```\n\nFor high-throughput write-heavy workloads it is better to use preallocated ringbuffer, like https://github.com/peterbourgon/rb\n\n## License\n\nThis project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ffloatdrop%2Fringchan","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Ffloatdrop%2Fringchan","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ffloatdrop%2Fringchan/lists"}