[💬] 유니티 c# 9 기능 안되는게 많네

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Unity - Manual: C# compiler (unity3d.com)

Unsupported featuresC# 9.0

• Suppress emitting localsinit flag
• Covariant return types
• Module Initializers
• Extensible calling conventions for unmanaged function pointers
• Init only setters

If you try to use unsupported features in your project, compilation generates errors.

Record support

C# 9 init and record support comes with a few caveats.

• The type System.Runtime.CompilerServices.IsExternalInit is required for full record support as it uses init only setters, but is only available in .NET 5 and later (which Unity doesn’t support). Users can work around this issue by declaring the System.Runtime.CompilerServices.IsExternalInit type in their own projects.
• You shouldn’t use C# records in serialized types because Unity’s serialization system doesn’t support C# records.

직렬화 타입에는 못쓴다네

그냥 안되는거자너

[field: SerializeField] 이거 쓰라는건가

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원래 채신기술은 도입이 늦음

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c# Span이 2021 돼서야 들어옴 게다가 작년인가 사람도 줄이고 최신버전 보면 엔진 자체가 불안정해보여서 c# 기능 신경 쓸 여유가 되나 싶음 한 2~3년 정도 지나면 추가해주지 않을까