# TupleCopier<T1, T2, T3, T4>.IsShallowCopyable

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.codecs.tuplecopier-4/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.codecs.tuplecopier-4/methods/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Serialization/Codecs/TupleCodec.cs#L554)

```csharp
public bool TupleCopier<T1, T2, T3, IsShallowCopyable()
```

Returns true if the type is shallow-copyable.