{"adoption": {"forks": 95, "observed_at": "2026-08-28T04:04:11.015501+00:00", "stars": 1265}, "canonical_url": "https://ross.abutalabs.com/products/teddriggs-darling", "card": {"archived": false, "artifact_type": "library", "description": "A Rust proc-macro attribute parser", "domain": ["developer-tools", "parsers", "programming-languages"], "enriched": true, "function": ["parser", "serialization", "developer-tools"], "health_score": 99, "homepage": null, "language": "Rust", "license": "MIT", "license_family": "permissive", "maturity": "active", "member_repos": ["TedDriggs/darling"], "name": "TedDriggs/darling", "platform": ["rust", "cross-platform"], "pushed_at": "2026-08-20T15:12:11+00:00", "repo": "TedDriggs/darling", "stars": 1265, "tags": ["proc-macro", "derive-macros", "attribute-parsing", "syn", "serde-inspired"], "topics": ["rust", "proc-macro"], "urls": [], "use_cases": ["parse proc-macro attributes into structs in rust", "build custom derive macros with configurable options", "get good error messages for macro attribute mistakes", "extract meta items from derive input", "implement FromMeta trait for attribute parsing"], "what_it_is": "Darling is a Rust proc-macro helper library that lets macro authors declaratively parse attribute arguments into structs, inspired by serde's derive API. It provides traits like FromMeta and FromDeriveInput with built-in validation and helpful error messages.", "when_to_avoid": ["you need a general-purpose argument parser for CLIs", "your macro doesn't take attributes or options", "you're not writing Rust proc-macros"], "when_to_choose": ["you're writing a Rust proc-macro or custom derive and need attribute parsing", "you want serde-like declarative parsing of macro options", "you need automatic validation and 'did you mean' suggestions for misspelled attributes"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/teddriggs-darling", "repo": "TedDriggs/darling", "role": "main", "score": 98}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:04:11.015501+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T05:03:50.271244+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "abef77b6a40b2c9fc68e1a7d22d700d87ba550d3782c67ad9d6c70ec213385f7", "fetched_at": "2026-08-28T04:04:11.015501+00:00", "kind": "readme", "missing": false, "url": "https://github.com/TedDriggs/darling"}, {"content_hash": "3807057bf4662f4ffa4e1a349d0cba3f31197aa54772b66741dc9f5b2b52abd3", "fetched_at": "2026-08-29T12:15:44.490016+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/darling"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:04:11.015501+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T05:03:50.271244+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "abef77b6a40b2c9fc68e1a7d22d700d87ba550d3782c67ad9d6c70ec213385f7", "fetched_at": "2026-08-28T04:04:11.015501+00:00", "kind": "readme", "missing": false, "url": "https://github.com/TedDriggs/darling"}, {"content_hash": "3807057bf4662f4ffa4e1a349d0cba3f31197aa54772b66741dc9f5b2b52abd3", "fetched_at": "2026-08-29T12:15:44.490016+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/darling"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T05:03:50.271244+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "abef77b6a40b2c9fc68e1a7d22d700d87ba550d3782c67ad9d6c70ec213385f7", "fetched_at": "2026-08-28T04:04:11.015501+00:00", "kind": "readme", "missing": false, "url": "https://github.com/TedDriggs/darling"}, {"content_hash": "3807057bf4662f4ffa4e1a349d0cba3f31197aa54772b66741dc9f5b2b52abd3", "fetched_at": "2026-08-29T12:15:44.490016+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/darling"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:04:11.015501+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:04:11.015501+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:04:11.015501+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T05:03:50.271244+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "abef77b6a40b2c9fc68e1a7d22d700d87ba550d3782c67ad9d6c70ec213385f7", "fetched_at": "2026-08-28T04:04:11.015501+00:00", "kind": "readme", "missing": false, "url": "https://github.com/TedDriggs/darling"}, {"content_hash": "3807057bf4662f4ffa4e1a349d0cba3f31197aa54772b66741dc9f5b2b52abd3", "fetched_at": "2026-08-29T12:15:44.490016+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/darling"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:04:11.015501+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:04:11.015501+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T05:03:50.271244+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "abef77b6a40b2c9fc68e1a7d22d700d87ba550d3782c67ad9d6c70ec213385f7", "fetched_at": "2026-08-28T04:04:11.015501+00:00", "kind": "readme", "missing": false, "url": "https://github.com/TedDriggs/darling"}, {"content_hash": "3807057bf4662f4ffa4e1a349d0cba3f31197aa54772b66741dc9f5b2b52abd3", "fetched_at": "2026-08-29T12:15:44.490016+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/darling"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:04:11.015501+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:04:11.015501+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:04:11.015501+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T05:03:50.271244+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "abef77b6a40b2c9fc68e1a7d22d700d87ba550d3782c67ad9d6c70ec213385f7", "fetched_at": "2026-08-28T04:04:11.015501+00:00", "kind": "readme", "missing": false, "url": "https://github.com/TedDriggs/darling"}, {"content_hash": "3807057bf4662f4ffa4e1a349d0cba3f31197aa54772b66741dc9f5b2b52abd3", "fetched_at": "2026-08-29T12:15:44.490016+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/darling"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:04:11.015501+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:04:11.015501+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T05:03:50.271244+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "abef77b6a40b2c9fc68e1a7d22d700d87ba550d3782c67ad9d6c70ec213385f7", "fetched_at": "2026-08-28T04:04:11.015501+00:00", "kind": "readme", "missing": false, "url": "https://github.com/TedDriggs/darling"}, {"content_hash": "3807057bf4662f4ffa4e1a349d0cba3f31197aa54772b66741dc9f5b2b52abd3", "fetched_at": "2026-08-29T12:15:44.490016+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/darling"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T05:03:50.271244+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "abef77b6a40b2c9fc68e1a7d22d700d87ba550d3782c67ad9d6c70ec213385f7", "fetched_at": "2026-08-28T04:04:11.015501+00:00", "kind": "readme", "missing": false, "url": "https://github.com/TedDriggs/darling"}, {"content_hash": "3807057bf4662f4ffa4e1a349d0cba3f31197aa54772b66741dc9f5b2b52abd3", "fetched_at": "2026-08-29T12:15:44.490016+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/darling"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T05:03:50.271244+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "abef77b6a40b2c9fc68e1a7d22d700d87ba550d3782c67ad9d6c70ec213385f7", "fetched_at": "2026-08-28T04:04:11.015501+00:00", "kind": "readme", "missing": false, "url": "https://github.com/TedDriggs/darling"}, {"content_hash": "3807057bf4662f4ffa4e1a349d0cba3f31197aa54772b66741dc9f5b2b52abd3", "fetched_at": "2026-08-29T12:15:44.490016+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/darling"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T05:03:50.271244+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "abef77b6a40b2c9fc68e1a7d22d700d87ba550d3782c67ad9d6c70ec213385f7", "fetched_at": "2026-08-28T04:04:11.015501+00:00", "kind": "readme", "missing": false, "url": "https://github.com/TedDriggs/darling"}, {"content_hash": "3807057bf4662f4ffa4e1a349d0cba3f31197aa54772b66741dc9f5b2b52abd3", "fetched_at": "2026-08-29T12:15:44.490016+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/darling"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 98, "longevity": 100, "rhythm": 98}, "computed_at": "2026-09-02T17:46:02.011165+00:00", "flags": [], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 3410, "days_push": 13, "days_rel": 13, "gap_med": 22.0, "n_releases_24m": 9}, "score": 98, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}