mojo-messagepack

mojo-messagepack is a MessagePack serializer written in Mojo. The runtime and the code generator are Mojo. They do not wrap msgpack-c or any other C, C++, or Rust MessagePack library.

• Why MessagePack

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  What MessagePack is, how type bytes work, how str differs from bin, and how maps, extensions, timestamps, and streams fit together.

  Read Why MessagePack

• Instructions

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  Install Mojo 1.1.0 with pixi, write a JSON Schema, generate Mojo, run the tests, and publish this site.

  Open Instructions

• Examples

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  Encode and decode generated types, MsgpackValue, timestamps, and concatenated objects.

  See Examples

• Techniques

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  How encode and decode work: pre-sized writes, 256-way type dispatch, memcpy of str/bin, expected-order keys, and which ideas were measured and dropped.

  Read Techniques

• Test data

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  What lives under testdata/ (schemas, oracle bytes, fail-path goldens) and why each file is there.

  Read Test data