{"adoption": {"forks": 328, "observed_at": "2026-08-28T04:06:21.800558+00:00", "stars": 2171}, "canonical_url": "https://ross.abutalabs.com/products/yalantinglibs", "card": {"archived": false, "artifact_type": "library", "description": "A collection of modern C++ libraries, include coro_http, coro_rpc, compile-time reflection, struct_pack, struct_json, struct_xml, struct_pb, easylog, async_simple etc.", "domain": ["developer-tools", "performance", "backend"], "enriched": true, "function": ["concurrency", "developer-tools"], "health_score": 97, "homepage": "https://alibaba.github.io/yalantinglibs/", "language": "C++", "license": "Apache-2.0", "license_family": "permissive", "maturity": "active", "member_repos": ["alibaba/yalantinglibs", "alibaba/async_simple"], "name": "yaLanTingLibs", "platform": ["cpp", "windows", "cross-platform"], "pushed_at": "2026-08-22T08:43:42+00:00", "repo": "alibaba/yalantinglibs", "stars": 2171, "tags": ["coroutines", "cpp20", "async", "stackless-coroutines", "stackful-coroutines", "future-promise", "header-only", "linux", "macos"], "topics": [], "urls": [{"kind": "homepage", "url": "https://alibaba.github.io/yalantinglibs/"}], "use_cases": ["write asynchronous C++ code with C++20 coroutines", "lazy evaluation with stackless coroutines in C++", "lightweight stackful coroutines for concurrent tasks", "modern future/promise alternatives for C++", "async file processing in C++", "high-performance concurrent networking components"], "what_it_is": "async_simple is a lightweight C++20 library providing easy-to-use asynchronous programming components, including Lazy (stackless coroutines), Uthread (stackful coroutines), and Future/Promise. It is part of Alibaba's yalantinglibs suite and is nearly header-only, installable via vcpkg or CMake.", "when_to_avoid": ["your compiler is older than gcc 10.3 or clang 10", "you need a full networking framework rather than async primitives", "your project targets C++ standards before C++20"], "when_to_choose": ["you need C++20 coroutine support in a C++ project", "you want a lightweight, mostly header-only async library", "you need both stackful and stackless coroutine options", "you're building high-performance C++ services with async I/O"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/repos/alibaba/yalantinglibs", "repo": "alibaba/yalantinglibs", "role": "main", "score": 93}, {"path": "/repos/alibaba/async_simple", "repo": "alibaba/async_simple", "role": "sdk", "score": 67}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:06:21.800558+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T02:47:16.012554+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "626a33d3365da7f3b7c1d9a0d76f576b1fa65d9e97f9b8d6ed93e36badb121a7", "fetched_at": "2026-08-28T04:06:21.800558+00:00", "kind": "readme", "missing": false, "url": "https://github.com/alibaba/yalantinglibs"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T10:27:35.260205+00:00", "kind": "homepage", "missing": false, "url": "https://alibaba.github.io/yalantinglibs/"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:06:21.800558+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T02:47:16.012554+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "626a33d3365da7f3b7c1d9a0d76f576b1fa65d9e97f9b8d6ed93e36badb121a7", "fetched_at": "2026-08-28T04:06:21.800558+00:00", "kind": "readme", "missing": false, "url": "https://github.com/alibaba/yalantinglibs"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T10:27:35.260205+00:00", "kind": "homepage", "missing": false, "url": "https://alibaba.github.io/yalantinglibs/"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T02:47:16.012554+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "626a33d3365da7f3b7c1d9a0d76f576b1fa65d9e97f9b8d6ed93e36badb121a7", "fetched_at": "2026-08-28T04:06:21.800558+00:00", "kind": "readme", "missing": false, "url": "https://github.com/alibaba/yalantinglibs"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T10:27:35.260205+00:00", "kind": "homepage", "missing": false, "url": "https://alibaba.github.io/yalantinglibs/"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:06:21.800558+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:06:21.800558+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:06:21.800558+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T02:47:16.012554+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "626a33d3365da7f3b7c1d9a0d76f576b1fa65d9e97f9b8d6ed93e36badb121a7", "fetched_at": "2026-08-28T04:06:21.800558+00:00", "kind": "readme", "missing": false, "url": "https://github.com/alibaba/yalantinglibs"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T10:27:35.260205+00:00", "kind": "homepage", "missing": false, "url": "https://alibaba.github.io/yalantinglibs/"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:06:21.800558+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:06:21.800558+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T02:47:16.012554+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "626a33d3365da7f3b7c1d9a0d76f576b1fa65d9e97f9b8d6ed93e36badb121a7", "fetched_at": "2026-08-28T04:06:21.800558+00:00", "kind": "readme", "missing": false, "url": "https://github.com/alibaba/yalantinglibs"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T10:27:35.260205+00:00", "kind": "homepage", "missing": false, "url": "https://alibaba.github.io/yalantinglibs/"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:06:21.800558+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:06:21.800558+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:06:21.800558+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T02:47:16.012554+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "626a33d3365da7f3b7c1d9a0d76f576b1fa65d9e97f9b8d6ed93e36badb121a7", "fetched_at": "2026-08-28T04:06:21.800558+00:00", "kind": "readme", "missing": false, "url": "https://github.com/alibaba/yalantinglibs"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T10:27:35.260205+00:00", "kind": "homepage", "missing": false, "url": "https://alibaba.github.io/yalantinglibs/"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:06:21.800558+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:06:21.800558+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T02:47:16.012554+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "626a33d3365da7f3b7c1d9a0d76f576b1fa65d9e97f9b8d6ed93e36badb121a7", "fetched_at": "2026-08-28T04:06:21.800558+00:00", "kind": "readme", "missing": false, "url": "https://github.com/alibaba/yalantinglibs"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T10:27:35.260205+00:00", "kind": "homepage", "missing": false, "url": "https://alibaba.github.io/yalantinglibs/"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T02:47:16.012554+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "626a33d3365da7f3b7c1d9a0d76f576b1fa65d9e97f9b8d6ed93e36badb121a7", "fetched_at": "2026-08-28T04:06:21.800558+00:00", "kind": "readme", "missing": false, "url": "https://github.com/alibaba/yalantinglibs"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T10:27:35.260205+00:00", "kind": "homepage", "missing": false, "url": "https://alibaba.github.io/yalantinglibs/"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T02:47:16.012554+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "626a33d3365da7f3b7c1d9a0d76f576b1fa65d9e97f9b8d6ed93e36badb121a7", "fetched_at": "2026-08-28T04:06:21.800558+00:00", "kind": "readme", "missing": false, "url": "https://github.com/alibaba/yalantinglibs"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T10:27:35.260205+00:00", "kind": "homepage", "missing": false, "url": "https://alibaba.github.io/yalantinglibs/"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T02:47:16.012554+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "626a33d3365da7f3b7c1d9a0d76f576b1fa65d9e97f9b8d6ed93e36badb121a7", "fetched_at": "2026-08-28T04:06:21.800558+00:00", "kind": "readme", "missing": false, "url": "https://github.com/alibaba/yalantinglibs"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T10:27:35.260205+00:00", "kind": "homepage", "missing": false, "url": "https://alibaba.github.io/yalantinglibs/"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 99, "longevity": 100, "rhythm": 81}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": [], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 1412, "days_push": 11, "days_rel": 126, "gap_med": 15.5, "n_releases_24m": 25}, "score": 93, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}