# HashSetCodec<T> Methods

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.codecs.hashsetcodec-1/)

## ReadValue(Reader<TInput>, Field) {#readvalue-1-ref-orleans-serialization-buffers-reader-tinput-orleans-serializatio-c8fffcd1}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.codecs.hashsetcodec-1/methods/readvalue-1-ref-orleans-serialization-buffers-reader-tinput-orleans-serializatio-c8fffcd1/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Serialization/Codecs/HashSetCodec.cs#L60-L107)

```csharp
public HashSet<T> ReadValue<TInput>(ref Reader<TInput> reader, Field field)
```

Reads a value.

### Parameters

- `reader` (`Reader<TInput>`): The reader.
- `field` (`Field`): The field.

### Returns

The value.

## Serialize(Writer&lt;TBufferWriter&gt;, HashSet&lt;T&gt;) {#serialize-1-ref-orleans-serialization-buffers-writer-tbufferwriter-system-collec-4cf03ad9}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.codecs.hashsetcodec-1/methods/serialize-1-ref-orleans-serialization-buffers-writer-tbufferwriter-system-collec-4cf03ad9/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Serialization/Codecs/HashSetCodec.cs#L124-L139)

```csharp
public void Serialize<TBufferWriter>(ref Writer<TBufferWriter> writer, HashSet<T> value)
```

Serializes the provided value.

### Parameters

- `writer` (`Writer<TBufferWriter>`): The writer.
- `value` (`HashSet<T>`): The value.

## WriteField(Writer&lt;TBufferWriter&gt;, uint, Type, HashSet&lt;T&gt;) {#writefield-1-ref-orleans-serialization-buffers-writer-tbufferwriter-uint-system-2e111a49}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.codecs.hashsetcodec-1/methods/writefield-1-ref-orleans-serialization-buffers-writer-tbufferwriter-uint-system-2e111a49/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Serialization/Codecs/HashSetCodec.cs#L45-L55)

```csharp
public void WriteField<TBufferWriter>(ref Writer<TBufferWriter> writer, uint fieldIdDelta, Type expectedType, HashSet<T> value)
```

Writes a field.

### Parameters

- `writer` (`Writer<TBufferWriter>`): The writer.
- `fieldIdDelta` (`uint`): The field identifier delta.
- `expectedType` (`Type`): The expected type.
- `value` (`HashSet<T>`): The value.