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frankmcsherry/columnar ★ 205 10 APPLICATION

columnar is a Rust library for columnar representation of Rust data types. It provides a `Columnar` trait and a derive macro that transform ordinary structs and enums into columnar storage: each field is stored in its own typed vector, and enums store tags and payloads separately. The crate supports recursive/tree-structured enums, all-unit enums, `no_std` environments, and optional serde serialization. It is a library, not an application, with no web or CLI surface; the primary entry points are the derive macro and the `Columnar`/`ColumnarVec` traits.

RATING: 8.8/10 MAINT: active DRIFT: low
#rust #columnar #data-structures #derive-macro #no-std #serde #simd #memory-layout
▸ 3 reusable components found
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