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Adds Apache.Arrow.Serialization with a Roslyn incremental source generator that emits compile-time Arrow schema derivation, serialization, and deserialization for types marked with [ArrowSerializable]. - Runtime library (Apache.Arrow.Serialization): attributes, helpers, IPC extension methods, reflection-based RecordBatchBuilder - Source generator (Apache.Arrow.Serialization.Generator): code emission for 31+ type mappings, polymorphism, custom converters, callbacks - Test suite: 197 tests covering all supported types and features - Integrated into solution, central package management, Apache 2.0 headers Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Align with upstream CI which uses .NET 8.0 SDK. All 197 tests pass. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Remove src/test solution folders from sln so serialization projects appear at root level like all other projects. Change serialization library target from net8.0;net10.0 to net8.0 for CI compatibility. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Resolves #186.
I needed Arrow POCO serialization for an internal cross-language interop project (C# ↔ vgi-rpc-python). I took inspiration from
System.Text.Json's source generator andMessagePack-CSharp's attribute model, iterated on it with Claude as a coding assistant, and arrived at this implementation.Figured it might be useful upstream — please take a look and let me know what you think.
See README.md for full documentation and examples.