# TupleCopier<T1, T2, T3, T4> Methods

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

## DeepCopy(Tuple<T1, T2, T3, T4>, CopyContext) {#deepcopy-system-tuple-t1-t2-t3-t4-orleans-serialization-cloning-copycontext-3ea67e21}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.codecs.tuplecopier-4/methods/deepcopy-system-tuple-t1-t2-t3-t4-orleans-serialization-cloning-copycontext-3ea67e21/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Serialization/Codecs/TupleCodec.cs#L559-L578)

```csharp
public Tuple<T1, T2, T3, T4> TupleCopier<T1, T2, T3, DeepCopy(Tuple<T1, T2, T3, T4> input, CopyContext context)
```

Creates a deep copy of the provided input.

### Parameters

- `input` (`Tuple<T1, T2, T3, T4>`): The input.
- `context` (`CopyContext`): The context.

### Returns

A copy of `input`.

## IsShallowCopyable {#isshallowcopyable-30a0b2be}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.codecs.tuplecopier-4/methods/isshallowcopyable-30a0b2be/)

[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.