value

A library for value change observation, building on the "willSet" and "didSet" Swift language features, written for use with macOS, iOS, and other platforms.

Library for value observation via wrapper structs, building on built-in language features "willSet/didSet". Adopted to replace Objective C key-value observation. Originally forked from Leszek Ślażyński (https://github.com/slazyk/Observable-Swift).

A command-line utility (written in Python) which manages key / value data and persists it in JSON format.