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< a name = "fusion.preface" > < / a > < a href = "preface.html" title = "Preface" > Preface< / a >
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< div class = "blockquote" > < blockquote class = "blockquote" >
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< span class = "emphasis" > < em > “ < span class = "quote" > Algorithms + Data Structures = Programs.< / span > ” < / em > < / span >
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< span class = "bold" > < b > --Niklaus Wirth< / b > < / span >
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< a name = "fusion.preface.description" > < / a > < h3 >
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< a name = "id397994" > < / a >
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< a href = "preface.html#fusion.preface.description" > Description< / a >
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< p >
Fusion is a library for working with heterogenous collections of data, commonly
referred to as tuples. A set of containers (vector, list, set and map) is provided,
along with views that provide a transformed presentation of their underlying
data. Collectively the containers and views are referred to as sequences, and
Fusion has a suite of algorithms that operate upon the various sequence types,
using an iterator concept that binds everything together.
< / p >
< p >
The architecture is modeled after < a href = "http://www.boost.org/libs/mpl/index.html" target = "_top" > MPL< / a >
which in turn is modeled after < a href = "http://en.wikipedia.org/wiki/Standard_Template_Library" target = "_top" > STL< / a > .
It is named "fusion" because the library is a "fusion"
of compile time metaprogramming with runtime programming.
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< a name = "fusion.preface.motivation" > < / a > < h3 >
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< a name = "id398024" > < / a >
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< a href = "preface.html#fusion.preface.motivation" > Motivation< / a >
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< p >
Tuples are powerful beasts. After having developed two significant projects
(< a href = "http://spirit.sourceforge.net" target = "_top" > Spirit< / a > and < a href = "http://boost.org/libs/spirit/phoenix/index.html" target = "_top" > Phoenix< / a > )
that relied heavily metaprogramming, it became apparent that tuples are a powerful
means to simplify otherwise tricky tasks; especially those that require a combination
of metaprogramming and manipulation of heterogenous data types with values.
While < a href = "http://www.boost.org/libs/mpl/index.html" target = "_top" > MPL< / a > is
an extremely powerful metaprogramming tool, < a href = "http://www.boost.org/libs/mpl/index.html" target = "_top" > MPL< / a >
focuses on type manipulation only. Ultimately, you'll have to map these types
to real values to make them useful in the runtime world where all the real
action takes place.
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< p >
As < a href = "http://spirit.sourceforge.net" target = "_top" > Spirit< / a > and < a href = "http://boost.org/libs/spirit/phoenix/index.html" target = "_top" > Phoenix< / a >
evolved, patterns and idioms related to tuple manipulation emerged. Soon, it
became clear that those patterns and idioms were best assembled in a tuples
algorithms library. < a href = "http://www.boost.org/people/dave_abrahams.htm" target = "_top" > David
Abrahams< / a > outlined such a scheme in 2002. At that time, it just so happened
that < a href = "http://spirit.sourceforge.net" target = "_top" > Spirit< / a > and < a href = "http://boost.org/libs/spirit/phoenix/index.html" target = "_top" > Phoenix< / a >
had an adhoc collection of tuple manipulation and traversal routines. It was
an instant < span class = "emphasis" > < em > AHA!< / em > < / span > moment.
< / p >
< a name = "fusion.preface.how_to_use_this_manual" > < / a > < h3 >
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< a name = "id353848" > < / a >
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< a href = "preface.html#fusion.preface.how_to_use_this_manual" > How to use this manual< / a >
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< p >
Some icons are used to mark certain topics indicative of their relevance. These
icons precede some text to indicate:
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< a name = "id353868" > < / a > < p class = "title" > < b > Table<EFBFBD> 1.1.<2E> Icons< / b > < / p >
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< table class = "table" summary = "Icons" >
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Icon
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Name
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Meaning
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Note
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Information provided is auxiliary but will give the reader a deeper insight
into a specific topic. May be skipped.
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Alert
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Information provided is of utmost importance.
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Caution
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A mild warning.
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Tip
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A potentially useful and helpful piece of information.
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This documentation is automatically generated by Boost QuickBook documentation
tool. QuickBook can be found in the < a href = "http://www.boost.org/tools/index.html" target = "_top" > Boost
Tools< / a > .
< / p >
< a name = "fusion.preface.support" > < / a > < h3 >
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< a name = "id355582" > < / a >
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< a href = "preface.html#fusion.preface.support" > Support< / a >
< / h3 >
< p >
Please direct all questions to Spirit's mailing list. You can subscribe to
the < a href = "https://lists.sourceforge.net/lists/listinfo/spirit-general" target = "_top" > Spirit
Mailing List< / a > . The mailing list has a searchable archive. A search link
to this archive is provided in < a href = "http://spirit.sourceforge.net" target = "_top" > Spirit< / a > 's
home page. You may also read and post messages to the mailing list through
< a href = "news://news.gmane.org/gmane.comp.spirit.general" target = "_top" > Spirit General
NNTP news portal< / a > (thanks to < a href = "http://www.gmane.org" target = "_top" > Gmane< / a > ).
The news group mirrors the mailing list. Here is a link to the archives: < a href = "http://news.gmane.org/gmane.comp.parsers.spirit.general" target = "_top" > http://news.gmane.org/gmane.comp.parsers.spirit.general< / a > .
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< td align = "right" > < div class = "copyright-footer" > Copyright <20> 2001-2007 Joel de Guzman, Dan Marsden, Tobias
2007-11-07 02:12:28 +00:00
Schwinger< p >
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at < a href = "http://www.boost.org/LICENSE_1_0.txt" target = "_top" > http://www.boost.org/LICENSE_1_0.txt< / a > )
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