Question 1

How does ZeroFormatter compare to protobuf-net?

Accepted Answer

ZeroFormatter is much faster for deserialization due to lazy-evaluation and has faster serialization, but protobuf-net produces smaller binaries and has better cross-language support via .proto files, making it more versatile for heterogeneous systems.

Question 2

Is ZeroFormatter good for Unity games?

Accepted Answer

Yes, it's highly optimized for Unity with IL2CPP, providing superior performance over JsonUtility and other serializers for scenarios like network gaming or asset serialization. However, it requires extra setup with code generation tools like zfc.exe.

Question 3

How to handle versioning with ZeroFormatter?

Accepted Answer

You can add new indices to classes for forward compatibility, but deleting indices is not allowed, and structs do not support versioning. This means schema evolution is limited compared to more flexible serializers.

Question 4

What are the performance trade-offs of lazy-evaluation?

Accepted Answer

Lazy-evaluation gives fast initial deserialization but can cause performance hits if data is accessed repeatedly without caching, and mutable collections may trigger unnecessary re-serialization unless carefully managed with IList<T> types.

Question 5

Can I use ZeroFormatter with .NET Core?

Accepted Answer

Yes, ZeroFormatter supports .NET Core through NuGet packages, and its APIs are compatible with modern .NET applications, though the non-generic API is slower and not supported in Unity.

Question 6

How to serialize custom types like Uri in ZeroFormatter?

Accepted Answer

You need to create a custom formatter by extending the Formatter class, implement Serialize and Deserialize methods, and register it at startup using Formatter<T>.Register, which adds extensibility but requires additional code.

Question 7

ZeroFormatter or MessagePack for C#: which is better?

Accepted Answer

Choose ZeroFormatter if you need ultra-fast deserialization and are working primarily in C# or Unity. Opt for MessagePack for C# if you want a more general-purpose, compact serializer with built-in LZ4 compression and better cross-language interoperability.

ZeroFormatter

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