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CIS 295 Functional Programming in Haskell

Barbara Nostrand, Ph.D.


Welcome to Functional Programming in Haskell. This is the homepage for the course. Writing large software systems that work is difficult and expensive. Maintaining those systems is even more difficult and expensive. Functional programming languages, such as Haskell, can make it easier and cheaper. Haskell is a wide-spectrum language, suitable for a variety of applications. It is particularly suitable for programs which need to be highly modifiable and maintainable. Functional languages are superb for writing specifications which can actually be executed. Such a specification searves as the first prototype of the final program. Functional programs are also relatively easy to maintain, because the code is shorter, clearer, and the rigorous control of side effects eliminates a huge class of unforseen interactions.

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