The fastest deep cloning library for .NET – zero-config, works out of the box.

Recursively (deep) clone JavaScript native types, like Object, Array, RegExp, Date as well as primitives. Used by superstruct, merge-deep, and many others!

Nested copies made easy in Kotlin

TypeScript schema compiler, rewriter

Fast deep-copy library for Go

An optimised way to copy'ing (cloning) an Object or Array. A small and simple integration

A fast and lightweight object-to-object .NET mapper.

C# extension method for fast object cloning. This is a speed-optimized forked version of Alexy Burtsev's deep copier.

Package astcopy implements Go AST deep copy operations.

A small and efficient library that can deep copy object by Expression Tree

Utility functions

Make a deep copy of GameMaker sequence asset / struct for editing it in-runtime

一些实用的 JavaScript 方法

Optics-based DSL for Java records and POJOs. One type for deep navigation, immutable update, bidirectional mapping, and effects across records + plain POJOs + Lombok. Optional compile-time codegen.

Deep clone GameMaker class instances / constructed structs, anonymous structs and arrays nested in any order!

Zero-dependency ESM library for deep equality, deep clone, unification, and pattern matching with logical variables and wildcards. Handles circular references, Map, Set, URL, typed arrays, Date, RegExp, symbols, and property descriptors. Works in Node.js, Deno, Bun, and browsers.

golang deep copy library，automatic data mapping and validate struct data。 map to struct, struct to map, struct to struct. golang 数据深拷贝的类库，支持数据自动映射

📚 Comprehensive C++ OOP interview preparation guide covering Constructors, Destructors, Access Modifiers, and System Design concepts with detailed examples and explanations.

A simple java class to serialize and deserialize object to a byte array

A generic DeepCopy for Go: the external implementation of proposal go.dev/issue/51520