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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Acknowledgments</title>
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<meta name="generator" content="DocBook XSL Stylesheets V1.70.1">
<link rel="start" href="../index.html" title="Chapter<65>1.<2E>Boost.Optional">
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<div class="section" lang="en">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="boost_optional.acknowledgments"></a><a href="acknowledgments.html" title="Acknowledgments">Acknowledgments</a>
</h2></div></div></div>
<a name="boost_optional.acknowledgments.pre_formal_review"></a><h4>
<a name="id2644860"></a>
<a href="acknowledgments.html#boost_optional.acknowledgments.pre_formal_review">Pre-formal
review</a>
</h4>
<div class="itemizedlist"><ul type="disc">
<li>
Peter Dimov suggested the name 'optional', and was the first to point out
the need for aligned storage.
</li>
<li>
Douglas Gregor developed 'type_with_alignment', and later Eric Friedman coded
'aligned_storage', which are the core of the optional class implementation.
</li>
<li>
Andrei Alexandrescu and Brian Parker also worked with aligned storage techniques
and their work influenced the current implementation.
</li>
<li>
Gennadiy Rozental made extensive and important comments which shaped the
design.
</li>
<li>
Vesa Karvonen and Douglas Gregor made quite useful comparisons between optional,
variant and any; and made other relevant comments.
</li>
<li>
Douglas Gregor and Peter Dimov commented on comparisons and evaluation in
boolean contexts.
</li>
<li>
Eric Friedman helped understand the issues involved with aligned storage,
move/copy operations and exception safety.
</li>
<li>
Many others have participated with useful comments: Aleksey Gurotov, Kevlin
Henney, David Abrahams, and others I can't recall.
</li>
</ul></div>
<a name="boost_optional.acknowledgments.post_formal_review"></a><h4>
<a name="id2644931"></a>
<a href="acknowledgments.html#boost_optional.acknowledgments.post_formal_review">Post-formal
review</a>
</h4>
<div class="itemizedlist"><ul type="disc">
<li>
William Kempf carefully considered the originally proposed interface and
suggested the new interface which is currently used. He also started and
fueled the discussion about the analogy optional&lt;&gt;/smart pointer and
about relational operators.
</li>
<li>
Peter Dimov, Joel de Guzman, David Abrahams, Tanton Gibbs and Ian Hanson
focused on the relational semantics of optional (originally undefined); concluding
with the fact that the pointer-like interface doesn't make it a pointer so
it shall have deep relational operators.
</li>
<li>
Augustus Saunders also explored the different relational semantics between
optional&lt;&gt; and a pointer and developed the OptionalPointee concept
as an aid against potential conflicts on generic code.
</li>
<li>
Joel de Guzman noticed that optional&lt;&gt; can be seen as an API on top
of variant&lt;T,nil_t&gt;.
</li>
<li>
Dave Gomboc explained the meaning and usage of the Haskell analog to optional&lt;&gt;:
the Maybe type constructor (analogy originally pointed out by David Sankel).
</li>
<li>
Other comments were posted by Vincent Finn, Anthony Williams, Ed Brey, Rob
Stewart, and others.
</li>
<li>
Joel de Guzman made the case for the support of references and helped with
the proper semantics.
</li>
<li>
Mat Marcus shown the virtues of a value-oriented interface, influencing the
current design, and contributed the idea of "none".
</li>
</ul></div>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><small>Copyright <20> 2003 -2007 Fernando Luis Cacciola Carballal</small></td>
</tr></table>
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