{"adoption": {"forks": 1218, "observed_at": "2026-08-28T04:09:01.457640+00:00", "stars": 4856}, "canonical_url": "https://ross.abutalabs.com/products/proc-macro-workshop", "card": {"archived": false, "artifact_type": "learning-resource", "description": "Learn to write Rust procedural macros  [Rust Latam conference, Montevideo Uruguay, March 2019]", "domain": ["tutorials", "programming-languages", "developer-tools", "education"], "enriched": true, "function": ["developer-tools", "compiler", "testing"], "health_score": 78, "homepage": null, "language": "Rust", "license": "Apache-2.0", "license_family": "permissive", "maturity": "active", "member_repos": ["dtolnay/proc-macro-workshop"], "name": "dtolnay/proc-macro-workshop", "platform": ["rust", "cross-platform"], "pushed_at": "2026-08-06T04:51:37+00:00", "repo": "dtolnay/proc-macro-workshop", "stars": 4856, "tags": ["rust", "procedural-macros", "workshop", "derive-macros", "attribute-macros", "education"], "topics": [], "urls": [], "use_cases": ["learn to write Rust procedural macros", "practice implementing derive macros like Builder", "understand attribute macros with real examples", "find exercises for function-like macros in Rust", "get a structured tutorial on macro debugging and testing"], "what_it_is": "A hands-on workshop for learning to write Rust procedural macros, containing five real-world projects covering derive macros, function-like macros, and attribute macros. It was created for the Rust Latam conference and includes a test harness and guided workflow.", "when_to_avoid": ["you are a complete Rust beginner still learning structs, enums, and traits", "you need a production macro library rather than educational material", "you are looking for declarative macro_rules! tutorials"], "when_to_choose": ["you already know Rust basics and want to learn proc macros through guided projects", "you prefer hands-on exercises with a test harness over passive reading", "you want examples drawn from real industrial use cases"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/proc-macro-workshop", "repo": "dtolnay/proc-macro-workshop", "role": "main", "score": 75}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:09:01.457640+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T18:18:23.327287+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d756d7b2def9fe8ecc6b8f63fac7f033b562bfe6308ab1727046cab79d6f1fa8", "fetched_at": "2026-08-28T04:09:01.457640+00:00", "kind": "readme", "missing": false, "url": "https://github.com/dtolnay/proc-macro-workshop"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:09:01.457640+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T18:18:23.327287+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d756d7b2def9fe8ecc6b8f63fac7f033b562bfe6308ab1727046cab79d6f1fa8", "fetched_at": "2026-08-28T04:09:01.457640+00:00", "kind": "readme", "missing": false, "url": "https://github.com/dtolnay/proc-macro-workshop"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T18:18:23.327287+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d756d7b2def9fe8ecc6b8f63fac7f033b562bfe6308ab1727046cab79d6f1fa8", "fetched_at": "2026-08-28T04:09:01.457640+00:00", "kind": "readme", "missing": false, "url": "https://github.com/dtolnay/proc-macro-workshop"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:09:01.457640+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:09:01.457640+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:09:01.457640+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T18:18:23.327287+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d756d7b2def9fe8ecc6b8f63fac7f033b562bfe6308ab1727046cab79d6f1fa8", "fetched_at": "2026-08-28T04:09:01.457640+00:00", "kind": "readme", "missing": false, "url": "https://github.com/dtolnay/proc-macro-workshop"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:09:01.457640+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:09:01.457640+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T18:18:23.327287+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d756d7b2def9fe8ecc6b8f63fac7f033b562bfe6308ab1727046cab79d6f1fa8", "fetched_at": "2026-08-28T04:09:01.457640+00:00", "kind": "readme", "missing": false, "url": "https://github.com/dtolnay/proc-macro-workshop"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:09:01.457640+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:09:01.457640+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:09:01.457640+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T18:18:23.327287+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d756d7b2def9fe8ecc6b8f63fac7f033b562bfe6308ab1727046cab79d6f1fa8", "fetched_at": "2026-08-28T04:09:01.457640+00:00", "kind": "readme", "missing": false, "url": "https://github.com/dtolnay/proc-macro-workshop"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:09:01.457640+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:09:01.457640+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T18:18:23.327287+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d756d7b2def9fe8ecc6b8f63fac7f033b562bfe6308ab1727046cab79d6f1fa8", "fetched_at": "2026-08-28T04:09:01.457640+00:00", "kind": "readme", "missing": false, "url": "https://github.com/dtolnay/proc-macro-workshop"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T18:18:23.327287+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d756d7b2def9fe8ecc6b8f63fac7f033b562bfe6308ab1727046cab79d6f1fa8", "fetched_at": "2026-08-28T04:09:01.457640+00:00", "kind": "readme", "missing": false, "url": "https://github.com/dtolnay/proc-macro-workshop"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T18:18:23.327287+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d756d7b2def9fe8ecc6b8f63fac7f033b562bfe6308ab1727046cab79d6f1fa8", "fetched_at": "2026-08-28T04:09:01.457640+00:00", "kind": "readme", "missing": false, "url": "https://github.com/dtolnay/proc-macro-workshop"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T18:18:23.327287+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d756d7b2def9fe8ecc6b8f63fac7f033b562bfe6308ab1727046cab79d6f1fa8", "fetched_at": "2026-08-28T04:09:01.457640+00:00", "kind": "readme", "missing": false, "url": "https://github.com/dtolnay/proc-macro-workshop"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 96, "longevity": 100, "rhythm": 35}, "computed_at": "2026-09-02T17:46:02.011165+00:00", "flags": ["no_releases"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 2716, "days_push": 27, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 75, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}