Postmodern immutable and persistent data structures for C++ — value semantics at scale

• UpdatedDec 2, 2025
• C++

C++ library for value-oriented design using the unidirectional data-flow architecture — Redux for C++

• UpdatedNov 27, 2025
• C++

Fast and memory-efficient immutable collections and helper data structures

• UpdatedSep 18, 2025
• C#

Tuples and value objects for JavaScript 🤷

• UpdatedAug 2, 2023
• TypeScript

μframework encapsulating the `CopyOnWrite` type, to make implementing value semantics easy!

• UpdatedAug 24, 2021
• Swift

C# Roslyn code analyser to check records for correct value semantics

• UpdatedDec 15, 2025
• C#

A small scripting language with value semantics

• UpdatedSep 19, 2025
• Python

📝 Proof of concept for deeply memoizing React components by default

• UpdatedAug 3, 2021
• JavaScript

Composable Code presented at WWDC, updated for Swift 5 by me

• UpdatedJun 17, 2019
• Swift

Traits for C++

• UpdatedJan 10, 2025
• C++

Comparison of value objects in Java

• UpdatedDec 5, 2025
• Java

A batteries-included scripting language featuring value semantics

• UpdatedDec 13, 2025
• Python

A rust library that allows having by-value futures (which improves type safety)

• UpdatedSep 29, 2017
• Rust

μframework to build attributed strings with simple interface and value semantic.

• UpdatedFeb 26, 2017
• Swift

Persistent set of integers, implemented using PATRICIA tree data structure

• UpdatedJul 16, 2023
• C++

My protocol orientated Approach on MVVM using RxSwift

• UpdatedSep 9, 2018
• Swift

Two Xcode 9 playgrounds written in Swift 4 that highlight protocol oriented programming and value semantics.

• UpdatedMar 29, 2018
• Swift

Sample project accompanying our blog post "Minimizing Shared State with Swift".

• UpdatedAug 29, 2019
• Swift

Zero configuration yet highly flexible value equality for .NET POCOs.

• UpdatedOct 22, 2018
• C#

Build robust, value-oriented applications in Java.

• UpdatedJan 18, 2022
• Java