# SpanEnumerator Constructors

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.buffers.pooledbuffer.spanenumerator/)

## SpanEnumerator(PooledBuffer) {#constructor-ref-orleans-serialization-buffers-pooledbuffer-f596d2c1}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.buffers.pooledbuffer.spanenumerator/constructors/constructor-ref-orleans-serialization-buffers-pooledbuffer-f596d2c1/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Serialization/Buffers/PooledBuffer.cs#L437-L444)

```csharp
public SpanEnumerator(ref PooledBuffer buffer)
```

Initializes a new instance of the [PooledBuffer](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.buffers.pooledbuffer/) type.

### Parameters

- `buffer` (`PooledBuffer`): The buffer to enumerate.