A MobX powered state management solution based on data trees with first class support for Typescript, support for snapshots, patches and much more

Javascript Essentials

Create immutable collections of the same type: class or module. Also with mutable

A couple of basic Java annotations that cover null safety (via JSR 305), collection mutability (via Kotlin), and a few other concepts.

Programming Language for API design

Just a small function to freeze the entire object avoiding mutability

Temporarily take ownership of a value at a mutable location, and replace it with a new value based on the old one.

Functional Programming

small tools to reduce mutability and program more functionally with Rust

A Haskell library providing a generalised state-transformer, which can be used to build - very - customised state-transformers.

In this repository, you find tutorial notebooks for Python.