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(Named after the logician Haskell Curry) A lazy purely functional language largely derived from Miranda but with several extensions. Haskell was designed by a committee from the functional programming community in April 1990. It features static polymorphic typing, higher-order functions, user-defined algebraic data types, and pattern-matching list comprehensions. Innovations include a class system, systematic operator overloading, a functional I/O system, functional arrays, and separate compilation.

Haskell 1.3 added many new features, including monadic I/O, standard libraries, constructor classes, labeled fields in datatypes, strictness annotations, an improved module system, and many changes to the Prelude.

Gofer is a cut-down version of Haskell with some extra features.

Filename extension: .hs, .lhs (literate programming).


["Report on the Programming Language Haskell Version 1.1", Paul Hudak & P. Wadler eds, CS Depts, U Glasgow and Yale U., Aug 1991].

[Version 1.2: SIGPLAN Notices 27(5), Apr 1992].

Haskell 1.3 Report.

Mailing list: <haskell-request@cs.yale.edu>.

Yale Haskell - Version 2.0.6, Haskell 1.2 built on Common Lisp.


Glasgow Haskell (GHC) - Version 2.04 for DEC Alpha/OSF2; HPPA1.1/HPUX9,10; SPARC/SunOs 4, Solaris 2; MIPS/Irix 5,6; Intel 80386/Linux,Solaris 2,FreeBSD,CygWin 32; PowerPC/AIX. GHC generates C or native code.


E-mail: <glasgow-haskell-request@dcs.glasgow.ac.uk>.

Haskell-B - Haskell 1.2 implemented in LML, generates native code.


E-mail: <hbc@cs.chalmers.se>.
References in periodicals archive ?
2) Matthew Devlin and Sebastian Chaskel, "From Fear to Hope in Colombia: Sergio Fajardo and Medellin, 2004-2007" (online report, Innovations for Succesful Societies, Princeton University: December 2010), http://www.
The simplicity and savings of installing a standalone lighting system for a road, parking lot, or pedestrian pathway cannot be overstated, said Mateo Chaskel, VP of Operations at UGE.
My father, Chaskel Tydor, was born to a Chasidic family in Bochnia, Poland in 1903, the year that Orville Wright first successfully flew an aircraft at Kitty Hawk.
Shirley was certainly not what one would have considered a perfect match for Chaskel Tydor.
Although Chaskel had been promised the travel agency's ownership, his brother-in-law had fallen into economic difficulties and had sold the business to an associate.
After giving it due consideration and discussing it with Shirley, Chaskel agreed to go out west for a period of time in order to manage Wooten's mines and settle his financial difficulties.
In late January, Chaskel left New York to check on the mine in Deer Lodge, Montana.
Meanwhile, Chaskel was alone out west, preparing the groundwork for his job and family.
After two months of traveling between Rapid City and Deer Lodge, Chaskel returned to New York to celebrate Passover with Shirley and bring her back west.
Ranta was sentenced to 37 years in prison for the 1991 murder of Brooklyn Rabbi Chaskel Werzberger, who was shot dead in a botched diamond robbery in Williamsburg.
His older brother Josef was executed, his father Chaskel succumbed to illness, and his sister Hana and mother Bella died in the camp's notorious gas chambers.
See Ruth Chaskel, "Effect of Mobility on Family Life,' Social Work, vol.