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Helium is a functional programming language (a subset of Haskell) and a compiler designed especially for teaching. The main developers and initiators are Arjan van IJzendoorn, Rijk Jan van Haaften, Bastiaan Heeren and Daan Leijen. Currently, Jurriaan Hage, and Bastiaan Heeren maintain the compiler and associated tools. For more information about Helium contact us.

Helium and the runtime lvmrun are on Hackage. This means that you can install the latest version of Helium by running cabal install helium cabal install lvmrun

The former of the two is the compiler (which will probably install a few more packages, like Top and lvmlib), the second is the run-time. You can then test the installation by running the program texthint and evaluating a few expressions. The system is known to install with GHC 7.6.3 and GHC 7.8.x.

Other kinds of downloads are not supported anymore, and we advise against using them.

The runtime for Helium is called LVM (the Lazy Virtual Machine), developed by Daan Leijen and reported on in his PhD thesis. This repository also includes lvmlib which is the library that is the glue betweene helium and lvmrun.

All software associated with Helium is available from a publicly available git repository at https://github.com/Helium4Haskell/.

These source distributions are to be used at your own risk.

If you think you can do something for us on the above, please contact us.