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fusion: merge of associative iterators/views and the new fold interface

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[SVN r58618]
This commit is contained in:
Christopher Schmidt
2010-01-01 22:00:21 +00:00
parent b605617c4f
commit cda74605fc
379 changed files with 28481 additions and 2185 deletions
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doc/html/fusion/notes.html
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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
<title>Notes</title>
<link rel="stylesheet" href="../../../../../doc/html/boostbook.css" type="text/css">
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<link rel="home" href="../index.html" title="Chapter 1. Fusion 2.0">
<link rel="up" href="../index.html" title="Chapter 1. Fusion 2.0">
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<link rel="home" href="../index.html" title="Chapter&#160;1.&#160;Fusion 2.0">
<link rel="up" href="../index.html" title="Chapter&#160;1.&#160;Fusion 2.0">
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<link rel="previous" href="functional/generation/metafunctions/mk_unfused.html" title="
make_unfused">
<link rel="next" href="change_log.html" title="Change log">
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<div class="spirit-nav">
<a accesskey="p" href="functional/generation/metafunctions/mk_unfused.html"><img src="../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../index.html"><img src="../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../index.html"><img src="../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="change_log.html"><img src="../../../../../doc/html/images/next.png" alt="Next"></a>
</div>
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<div class="section" lang="en">
<div class="titlepage">
<div><div><h2 class="title" style="clear: both">
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<a name="fusion.notes.recursive_inlined_functions"></a><h3>
<a name="id633847"></a>
<a href="notes.html#fusion.notes.recursive_inlined_functions">Recursive Inlined
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<div class="section" title="Notes">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="fusion.notes"></a><a class="link" href="notes.html" title="Notes">Notes</a>
</h2></div></div></div>
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<a class="link" href="notes.html#fusion.notes.recursive_inlined_functions">Recursive Inlined
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Functions</a>
</h3>
<p>
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deeply recursive (up to a certain compiler limit of course). Compile time complexity
remains linear.
</p>
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<a name="fusion.notes.overloaded_functions"></a><h3>
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<a href="notes.html#fusion.notes.overloaded_functions">Overloaded Functions</a>
</h3>
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<a class="link" href="notes.html#fusion.notes.overloaded_functions">Overloaded Functions</a>
</h4>
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<p>
Associative sequences use function overloading to implement membership testing
and type associated key lookup. This amounts to constant runtime and amortized
constant compile time complexities. There is an overloaded function, <tt class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">k</span><span class="special">)</span></tt>, for each key <span class="emphasis"><em>type</em></span> <tt class="computeroutput"><span class="identifier">k</span></tt>. The compiler chooses the appropriate function
given a key, <tt class="computeroutput"><span class="identifier">k</span></tt>.
</p>
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<a name="fusion.notes.tag_dispatching"></a><h3>
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<a href="notes.html#fusion.notes.tag_dispatching">Tag Dispatching</a>
</h3>
=======
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<a class="link" href="notes.html#fusion.notes.tag_dispatching">Tag Dispatching</a>
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<p>
Tag dispatching is a generic programming technique for selecting template specializations.
There are typically 3 components involved in the tag dispatching mechanism:
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to provide an implementation for each tag type
</li>
</ol></div>
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<a name="fusion.notes.extensibility"></a><h3>
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<a href="notes.html#fusion.notes.extensibility">Extensibility</a>
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<a class="link" href="notes.html#fusion.notes.extensibility">Extensibility</a>
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<p>
Unlike <a href="http://www.boost.org/libs/mpl/index.html" target="_top">MPL</a>, there
is no extensibe sequence concept in fusion. This does not mean that Fusion
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holds a reference to the original sequence plus the appended data --making
it very cheap to pass around.
</p>
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<a href="notes.html#fusion.notes.element_conversion">Element Conversion</a>
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<a class="link" href="notes.html#fusion.notes.element_conversion">Element Conversion</a>
</h4>
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<p>
Functions that take in elemental values to form sequences (e.g. <a href="container/generation/functions/make_list.html" title="make_list"><tt class="computeroutput"><span class="identifier">make_list</span></tt></a>) convert their arguments
to something suitable to be stored as a sequence element. In general, the element
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</p>
<p>
Array arguments are deduced to reference to const types. For example
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<sup>[<a name="id634862" href="#ftn.id634862">10</a>]</sup>
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<sup>[<a name="id886385" href="#ftn.id886385" class="footnote">10</a>]</sup>
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:
</p>
<pre class="programlisting"><a href="container/generation/functions/make_list.html" title="make_list"><tt class="computeroutput"><span class="identifier">make_list</span></tt></a><span class="special">(</span><span class="string">"Donald"</span><span class="special">,</span> <span class="string">"Daisy"</span><span class="special">)</span>
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</p>
<pre class="programlisting"><a href="container/list.html" title="list"><tt class="computeroutput"><span class="identifier">list</span></tt></a><span class="special">&lt;</span><span class="keyword">void</span> <span class="special">(*)(</span><span class="keyword">int</span><span class="special">)&gt;</span>
</pre>
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<a href="notes.html#fusion.notes.boost__ref">boost::ref</a>
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<a class="link" href="notes.html#fusion.notes.boost__ref">boost::ref</a>
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<p>
Fusion's generation functions (e.g. <a href="container/generation/functions/make_list.html" title="make_list"><tt class="computeroutput"><span class="identifier">make_list</span></tt></a>) by default stores the element
types as plain non-reference types. Example:
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</p>
<div class="footnotes">
<br><hr width="100" align="left">
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<div class="footnote"><p><sup>[<a name="ftn.id634862" href="#id634862">10</a>] </sup>
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Note that the type of a string literal is an array of const characters,
not <tt class="computeroutput"><span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span></tt>. To get <a href="container/generation/functions/make_list.html" title="make_list"><tt class="computeroutput"><span class="identifier">make_list</span></tt></a> to create a <a href="container/list.html" title="list"><tt class="computeroutput"><span class="identifier">list</span></tt></a> with an element of a non-const
array type one must use the <tt class="computeroutput"><span class="identifier">ref</span></tt>
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</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright © 2001-2007 Joel de Guzman, Dan Marsden, Tobias
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
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>)