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Hydra is a full-fledged framework for building web services, multithreaded and concurrent applications with SQL and KV DB support. It's currently moving to the production-ready state
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README.md

The Hydra Project

This project demonstrates the principles of Software Design and Architecture in pure Functional Programming. It provides a framework implemented with several different approaches for easy comparison:

  • Final Tagless
  • Free Monad
  • Church Encoded Free Monad

Hydra Framework

An all-in-one framework for writing Haskell apps which use the following features out of the box:

  • Multithreading
  • Safe STM-powered concurrency
  • Logging
  • Random data generation
  • Many others

With the framework, you can create complex applications that have a good maintainability, testability, simplicity, that have a good structure and are easy to read and change. The key principles in the framework:

  • Layered architecture
  • Separation of Business Logic, Runtime and Implementation
  • Convenient and simple to use eDSLs for Business Logic
  • Layered structure of business application: State, Domain, Business Logic