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Eiffel    音标拼音: ['ɑɪfəl]
Eiffel
n 1: French engineer who constructed the Eiffel Tower
(1832-1923) [synonym: {Eiffel}, {Alexandre Gustave Eiffel}]

An {object-oriented} language produced by {Bertrand
Meyer} in 1985. Eiffel has {classes} with {multiple
inheritance} and {repeated inheritance}, {deferred class}es
(like {Smalltalk}'s {abstract class}), and {clusters} of
classes. Objects can have both {static types} and {dynamic
types}. The dynamic type must be a descendant of the static
(declared) type. {Dynamic binding} resolves {multiple
inheritance} clashes. It has flattened forms of classes, in
which all of the inherited features are added at the same
level and {generic class}es parametrised by type.

Other features are {persistent objects}, {garbage collection},
{exception} handling, {foreign language interface}. Classes
may be equipped with {assertions} (routine preconditions and
postconditions, class {invariants}) implementing the theory of
"{Design by Contract}" and helping produce more reliable
software.

Eiffel is compiled to {C}. It comes with libraries containing
several hundred classes: data structures and {algorithms}
(EiffelBase), graphics and user interfaces (EiffelVision) and
language analysis (EiffelLex, EiffelParse).

The first release of Eiffel was release 1.4, introduced at the
first {OOPSLA} in October 1986. The language proper was first
described in a University of California, Santa Barbara report
dated September 1985.

Eiffel is available, with different libraries, from several
sources including {Interactive Software Engineering}, USA (ISE
Eiffel version 3.3); Sig Computer GmbH, Germany (Eiffel/S);
and {Tower, Inc.}, Austin (Tower Eiffel).

The language definition is administered by an open
organisation, the Nonprofit International Consortium for
Eiffel (NICE). There is a standard kernel library.

An {Eiffel source checker} and compiler {front-end} is
available.

Latest version: 4.2, as of 1998-10-28.

Latest version: ISE Eiffel version 3.3.

See also {Sather}, {Distributed Eiffel}, {Lace}, {shelf}.

E-mail: .

["Eiffel: The Language", Bertrand Meyer, P-H 1992].

(1998-11-15)


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  • The OFFICIAL Eiffel Tower website: tickets, news, info. . .
    Discover the timeless excellence of the Tour Eiffel brand, where the architectural heritage of Gustave Eiffel blends with contemporary elegance
  • Eiffel Tower - Wikipedia
    The Eiffel Tower ( ˈaɪfəl ⓘ EYE-fəl; French: Tour Eiffel [tuʁ ɛfɛl] ⓘ) is a wrought-iron lattice tower on the Champ de Mars in Paris, France It is named after the engineer Gustave Eiffel, whose company designed and built the tower from 1887 to 1889
  • Eiffel Tower | History, Height, Facts | Britannica
    Eiffel Tower, wrought-iron structure in Paris that is one of the most famous landmarks in the world It is also a technological masterpiece in building-construction history It was designed and built (1887–89) by Gustave Eiffel and named in his honor
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    Today, the Eiffel Tower, which continues to serve an important role in television and radio broadcasts, is considered an architectural wonder and attracts more visitors than any other paid
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    Piercing the city skyline, Paris' iconic Eiffel Tower beckons Here's all you need to know to get more from your visit, including how to avoid the queues
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  • Eiffel Tower: Everything You Need to Know - Architectural Digest
    The Eiffel Tower (or the Tour Eiffel in French) is located in the Champ de Mars, a big public park on the banks of the Seine River, in the 7th arrondissement of Paris
  • Eiffel Tower Tickets | Summit Second Floor Access
    Everything you get at the Eiffel Tower: Join a 90-minute guided tour in a small group, with elevator access to the summit or second floor Hear captivating stories about the tower’s history and Gustave Eiffel’s vision, and enjoy panoramic city views by day or night
  • Complete guide to the Eiffel Tower - PARIS
    The Eiffel Tower is the emblematic monument of Paris and one of the most visited sites in the world Here’s all the information you need to make the most of your visit: access, floors, elevators, stairs, prices, timetables and practical tips
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    In this guide, we uncover the best way to visit the Eiffel Tower, with tips on how to avoid a long wait in line, where to dine with a view, and whether or not it is worth it to visit all three levels We visit Paris frequently and have visited the Eiffel Tower a handful of times





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