Monthly Downloads: 2
Programming language: Haskell
License: MIT License
Tags: Data Structures     Development     Model    
Latest version: v0.1.0.0

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Conceptual modelling support library for Haskell.

[License](LICENSE) Build Status Hackage Hackage-Deps


This library is the result of finding a suitable way how to support conceptual modelling within Haskell programming language in the most simple but smart manner. hCM should allow you to build conceptual model with Haskell freely without any restrictions about selected representation of entities, relationships and model itself.

Advantages gained by applying hCM are:

  • Compiler-driven modelling = GHC guides you through implementing conceptual model via writing instances and mandatory functions.
  • Visualization = you can generate visualization of model and its instances (DOT format, see Graphviz)
  • Verification = correctness of model-implementation consistency is guaranteed by using conceptual model as part of implementation (model-is-a-code)
  • Validation = you can validate the conceptual model with domain expert thanks to visualization, instance generation (use QuickCheck's Arbitrary) and easy constraint construction as pure functions


  • Use standard Haskell way with stack.
  • Optionally you can use prepared [Makefile](Makefile).


There is very simple example of trivial model within [app/Example.hs](app/Example.hs) file. For more complex example, try to check hCM-CaseStudy.

If you have used this library and want to share your project, feel free to let me know via issues.

Sharing ideas and reporting bugs is more than welcome as well via issues!


This project is licensed under the MIT license - see the [LICENSE](LICENSE) file for more details.

*Note that all licence references and agreements mentioned in the hCM README section above are relevant to that project's source code only.