# operator ==(ArchetypeChunk, ArchetypeChunk)

> Two ArchetypeChunk instances are equal if they reference the same block of chunk and entity component store memory.

## Definition

* **Type:** Operator
* **Namespace:** [Unity.Entities](/engine/7000.0/script-reference/unity/entities.md)
* **Assembly:** UnityEngine.EntitiesModule

```csharp
public static bool operator ==(ArchetypeChunk lhs, ArchetypeChunk rhs)
```

### Parameters

**** (\[ArchetypeChunk]\(/engine/7000.0/script-reference/unity/entities/archetypechunk)): An ArchetypeChunk**** (\[ArchetypeChunk]\(/engine/7000.0/script-reference/unity/entities/archetypechunk)): Another ArchetypeChunk

### Returns

| Type                                                          | Description                                                                                               |
| ------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------- |
| [bool](https://learn.microsoft.com/dotnet/api/system.boolean) | True, if both ArchetypeChunk instances reference the same memory, or both contain null memory references. |