FastCloner
A high-performance deep cloning library for .NET that combines source generation with reflection fallback for zero-config object copying.
What is FastCloner?
FastCloner is a deep cloning library for .NET that creates independent copies of complex object graphs. It solves the problem of efficiently and correctly duplicating objects with nested references, circular dependencies, and polymorphic types, which is challenging with manual copying or serialization-based approaches.
.NET developers who need to perform deep cloning of objects in performance-critical applications, such as caching systems, state management, or data transformation pipelines.
Developers choose FastCloner for its benchmark-proven speed, correctness in edge cases, and hybrid approach that combines the performance of source generation with the flexibility of reflection, all without external dependencies.
Overview
The fastest deep cloning library for .NET – zero-config, works out of the box.
Use Cases
Best For
- Cloning complex object graphs with circular references
- High-performance scenarios where serialization-based cloning is too slow
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