sharksforarms/deku

Health v2 · maintenance only

Adoption not part of the score

1417 stars · 89 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

Deku is a Rust library providing declarative, bit-level serialization and deserialization for structs and enums via proc macros. It generates symmetric reader/writer code so binary formats like file structures and network headers can be parsed and written without hand-rolled code.

Use cases

• parse binary file formats into rust structs
• serialize and deserialize network packet headers
• read and write bit-level fields in binary data
• implement a binary protocol encoder and decoder in rust
• parse game or hardware file formats with mixed bit-width fields
• no_std binary parsing for embedded rust

When to choose

• you need symmetric read/write code generated from struct definitions
• you need bit-level (sub-byte) field control
• you want declarative, attribute-driven binary parsing in rust
• you need no_std support for embedded targets

When to avoid

• you need serde-compatible JSON or text serialization rather than binary formats
• you need runtime-flexible or self-describing formats better suited to a schema tool like protobuf
• you are not working in rust

Facets

library · maturity active

serialization parser developer-tools files rust cross-platform embedded binary-parsing bit-level proc-macro no-std rust-crate declarative network-protocols algorithms

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