{"id":19099948,"url":"https://github.com/jpmikkers/Baksteen.Extensions.DeepCopy","last_synced_at":"2025-04-18T17:32:24.211Z","repository":{"id":65356086,"uuid":"48852145","full_name":"jpmikkers/Baksteen.Extensions.DeepCopy","owner":"jpmikkers","description":"C# extension method for fast object cloning. 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Depending on your usecase, this will be 2x - 3x faster than the original. It also fixes some bugs which are present in the original code. Compared to the classic binary serialization/deserialization deep clone technique, this version is about seven times faster (the more arrays your objects contain, the bigger the speedup factor).\n\nThe speedup is achieved via the following techniques:\n\n- object reflection results are cached\n- don't deep copy primitives or immutable structs \u0026 classes (e.g. enum and string)\n- to improve locality of reference, process the 'fast' dimensions or multidimensional arrays in the __inner__ loops\n- use a compiled lamba expression to call MemberwiseClone\n\n## How to use:\n\nUse NuGet package manager to add the package [Baksteen.Extensions.DeepCopy](https://www.nuget.org/packages/Baksteen.Extensions.DeepCopy) to your project. Then:\n\n    using Baksteen.Extensions.DeepCopy;\n    ...\n    var myobject = new SomeClass();\n    ...\n    var myclone = myobject.DeepCopy()!;    // creates a new deep copy of the original object \n\nNote: the exclamation mark (null-forgiving operator) is only required if you enabled nullable reference types in your project\n\n## Contributors:\n- Alexey Burtsev (original deep copy code)\n- Wouter Groeneveld (unit tests \u0026 XElement copy)\n- Gitkarst (treat enum as immutable)\n- Jean-Paul Mikkers (speed optimization)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjpmikkers%2FBaksteen.Extensions.DeepCopy","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fjpmikkers%2FBaksteen.Extensions.DeepCopy","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjpmikkers%2FBaksteen.Extensions.DeepCopy/lists"}