Unity Collection Pool - GC-Free Collection Management

Overview

Unity's UnityEngine.Pool namespace (2021.1+) provides built-in collection pooling to eliminate GC allocations from temporary collection usage.

Foundation Required: unity-csharp-fundamentals (TryGetComponent, FindAnyObjectByType), C# generics, IDisposable pattern

Core Topics:

• ListPool, HashSetPool, DictionaryPool usage
• CollectionPool for custom collections
• ObjectPool for arbitrary objects
• Pool lifecycle and disposal patterns
• Memory optimization strategies

Quick Start

ListPool Basic Usage