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lager is a C++ library to assist value-oriented design by implementing the unidirectional data-flow architecture. It is heavily inspired by Elm and Redux, and enables composable designs by promoting the use of simple value types and testable application logic via pure functions. And you get time-travel for free!

This project is part of a long-term vision helping interactive and concurrent C++ programs become easier to write. Help this project’s long term sustainability by becoming a patron or buying a sponsorship package: juanpe@sinusoid.al