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Fudgets
From Wikipedia, the free encyclopedia
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In computing, Fudgets is a graphical user interface toolkit for the functional programming language Haskell and the X Window System.[1][2] Fudgets makes it easy to create client–server model applications that communicate via the Internet.
Most of the work on Fudgets was done in 1991-1996 by Thomas Hallgren and Magnus Carlsson.[3]
The authors claim that many of the advantages of Fudgets come from it being programmed in a lazy functional programming language.[4]
The main entity of toolkit is fudget (implemented on low level through stream processors) which has its own input and output.[5] Fudgets can be composed in parallel or sequence, yielding new fudget which can be used in code as any other fudget.
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Example
factorialF = stdoutF >==< mapF (show . factorial . read) >==< stdinF
factorial :: Integer -> Integer
factorial n = product [1..n]
The code is self-describing considering that >==< is sequential fudget plumbing and mapF is fudget that takes a function of one argument and makes a fudget which output is input applied to that function. Fudget composition must be read from right to left, as a simple function composition. Now you can simply write:
main = fudlogue factorialF
compile and run. For every given integer value it will print its factorial.
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License
The software license of Fudgets claims that this software is freeware for non-commercial use only.
References
External links
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