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Haskell 音标拼音: [h'æskəl] (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}).
{(http://haskell.org/)}.
["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
(http://haskell.cs.yale.edu/haskell-report/haskell-report.html)}.
Mailing list: .
Yale Haskell - Version 2.0.6, Haskell 1.2 built on {Common
Lisp}.
{(ftp://nebula.cs.yale.edu/pub/haskell/yale/)}.
Glasgow Haskell (GHC) - Version 2.04 for {DEC Alpha}/{OSF}2;
{HPPA1.1}/{HPUX}9,10; {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}.
{(ftp://ftp.dcs.glasgow.ac.uk/pub/haskell/glasgow/)}.
E-mail: .
Haskell-B - Haskell 1.2 implemented in {LML}, generates
{native code}.
{(ftp://ftp.cs.chalmers.se/pub/haskell/chalmers/)}.
E-mail: .
(1997-06-06)
Haskell, AR -- U. S. city in Arkansas Population ( 2000): 2645 Housing Units ( 2000): 762 Land area ( 2000): 4. 621199 sq. miles ( 11. 968849 sq. km) Water area ( 2000): 0. 022774 sq. miles ( 0. 058985 sq. km) Total area ( 2000): 4. 643973 sq. miles ( 12. 027834 sq. km) FIPS code: 30640 Located within: Arkansas ( AR), FIPS 05 Location: 34. 512171 N, 92. 638978 W ZIP Codes ( 1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Haskell, AR Haskell
Haskell, OK -- U. S. town in Oklahoma Population ( 2000): 1765 Housing Units ( 2000): 763 Land area ( 2000): 2. 173356 sq. miles ( 5. 628965 sq. km) Water area ( 2000): 0. 000000 sq. miles ( 0. 000000 sq. km) Total area ( 2000): 2. 173356 sq. miles ( 5. 628965 sq. km) FIPS code: 32900 Located within: Oklahoma ( OK), FIPS 40 Location: 35. 819951 N, 95. 676956 W ZIP Codes ( 1990): 74436 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Haskell, OK Haskell
Haskell, TX -- U. S. city in Texas Population ( 2000): 3106 Housing Units ( 2000): 1526 Land area ( 2000): 3. 402575 sq. miles ( 8. 812629 sq. km) Water area ( 2000): 0. 000000 sq. miles ( 0. 000000 sq. km) Total area ( 2000): 3. 402575 sq. miles ( 8. 812629 sq. km) FIPS code: 32696 Located within: Texas ( TX), FIPS 48 Location: 33. 160152 N, 99. 734572 W ZIP Codes ( 1990): 79521 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Haskell, TX Haskell
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