Helium (Haskell)

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Hint interpreter
Hint interpreter
Developer(s) Utrecht University
Stable release
1.6 / February 7, 2006; 11 years ago (2006-02-07)
Preview release
1.7 / April 28, 2009; 8 years ago (2009-04-28)
Operating system Cross-platform
Type Compiler
License GPL[1]
Website www.cs.uu.nl/wiki/Helium

Helium is a compiler and a dialect of the functional programming language Haskell. It has been designed to make learning Haskell easier by giving clearer error messages. It is being developed at Utrecht University, Netherlands, primarily by Arjan van IJzendoorn, Daan Leijen, Bastiaan Heeren and Rijk-Jan van Haaften.

Certain language features of Haskell have not been included to create more specific error messages. For this reason, it (currently) lacks type classes, rendering it incompatible with many Haskell programs.

It also includes Hint, an interpreter written in Java with a graphical user interface.


  • Bastiaan Heeren, Daan Leijen, Arjan van IJzendoorn, Helium, for learning Haskell, Proceedings of the 2003 ACM SIGPLAN workshop on Haskell.

External links[edit]