2007-05-29 06:40:25 +00:00
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2011-04-06 20:54:18 +00:00
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2007-05-29 06:40:25 +00:00
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<title>Acknowledgments</title>
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<link rel="up" href="../index.html" title="Chapter 1. Boost.Optional">
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<link rel="prev" href="dependencies_and_portability.html" title="Dependencies and Portability">
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2007-05-29 06:40:25 +00:00
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2008-02-14 17:43:52 +00:00
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<table cellpadding="2" width="100%"><tr>
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<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../boost.png"></td>
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2007-05-29 06:40:25 +00:00
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2011-04-06 20:54:18 +00:00
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<a accesskey="p" href="dependencies_and_portability.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../index.html"><img src="../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../index.html"><img src="../../../../../doc/src/images/home.png" alt="Home"></a>
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2007-05-29 06:40:25 +00:00
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2011-04-06 20:54:18 +00:00
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<div class="section">
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2007-05-29 06:40:25 +00:00
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<div class="titlepage"><div><div><h2 class="title" style="clear: both">
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<a name="boost_optional.acknowledgments"></a><a class="link" href="acknowledgments.html" title="Acknowledgments">Acknowledgments</a>
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2007-05-29 06:40:25 +00:00
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</h2></div></div></div>
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<a name="boost_optional.acknowledgments.pre_formal_review"></a><h4>
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2011-04-06 20:54:18 +00:00
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<a name="boost_optional.acknowledgments.pre_formal_review-heading"></a>
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2009-02-12 14:01:48 +00:00
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<a class="link" href="acknowledgments.html#boost_optional.acknowledgments.pre_formal_review">Pre-formal
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2007-05-29 06:40:25 +00:00
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review</a>
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</h4>
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2009-11-20 10:26:23 +00:00
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<div class="itemizedlist"><ul class="itemizedlist" type="disc">
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<li class="listitem">
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2011-04-06 20:54:18 +00:00
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Peter Dimov suggested the name 'optional', and was the first to point out
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the need for aligned storage.
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</li>
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<li class="listitem">
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Douglas Gregor developed 'type_with_alignment', and later Eric Friedman
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coded 'aligned_storage', which are the core of the optional class implementation.
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</li>
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<li class="listitem">
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Andrei Alexandrescu and Brian Parker also worked with aligned storage techniques
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and their work influenced the current implementation.
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</li>
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<li class="listitem">
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Gennadiy Rozental made extensive and important comments which shaped the
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design.
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</li>
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<li class="listitem">
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2011-04-06 20:54:18 +00:00
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Vesa Karvonen and Douglas Gregor made quite useful comparisons between
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optional, variant and any; and made other relevant comments.
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</li>
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<li class="listitem">
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2011-04-06 20:54:18 +00:00
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Douglas Gregor and Peter Dimov commented on comparisons and evaluation
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in boolean contexts.
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</li>
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<li class="listitem">
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Eric Friedman helped understand the issues involved with aligned storage,
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move/copy operations and exception safety.
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</li>
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<li class="listitem">
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Many others have participated with useful comments: Aleksey Gurotov, Kevlin
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Henney, David Abrahams, and others I can't recall.
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</li>
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2007-05-29 06:40:25 +00:00
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</ul></div>
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<a name="boost_optional.acknowledgments.post_formal_review"></a><h4>
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2011-04-06 20:54:18 +00:00
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<a name="boost_optional.acknowledgments.post_formal_review-heading"></a>
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2009-02-12 14:01:48 +00:00
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<a class="link" href="acknowledgments.html#boost_optional.acknowledgments.post_formal_review">Post-formal
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2007-05-29 06:40:25 +00:00
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review</a>
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</h4>
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2009-11-20 10:26:23 +00:00
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<div class="itemizedlist"><ul class="itemizedlist" type="disc">
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<li class="listitem">
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2011-04-06 20:54:18 +00:00
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William Kempf carefully considered the originally proposed interface and
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suggested the new interface which is currently used. He also started and
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fueled the discussion about the analogy optional<>/smart pointer
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and about relational operators.
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</li>
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<li class="listitem">
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Peter Dimov, Joel de Guzman, David Abrahams, Tanton Gibbs and Ian Hanson
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focused on the relational semantics of optional (originally undefined);
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concluding with the fact that the pointer-like interface doesn't make it
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a pointer so it shall have deep relational operators.
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</li>
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<li class="listitem">
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Augustus Saunders also explored the different relational semantics between
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optional<> and a pointer and developed the OptionalPointee concept
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as an aid against potential conflicts on generic code.
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</li>
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<li class="listitem">
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Joel de Guzman noticed that optional<> can be seen as an API on top
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of variant<T,nil_t>.
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</li>
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<li class="listitem">
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Dave Gomboc explained the meaning and usage of the Haskell analog to optional<>:
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the Maybe type constructor (analogy originally pointed out by David Sankel).
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</li>
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<li class="listitem">
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Other comments were posted by Vincent Finn, Anthony Williams, Ed Brey,
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Rob Stewart, and others.
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</li>
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<li class="listitem">
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Joel de Guzman made the case for the support of references and helped with
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the proper semantics.
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</li>
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<li class="listitem">
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Mat Marcus shown the virtues of a value-oriented interface, influencing
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the current design, and contributed the idea of "none".
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</li>
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2007-05-29 06:40:25 +00:00
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</ul></div>
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</div>
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<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
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<td align="left"></td>
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2011-04-06 20:54:18 +00:00
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<td align="right"><div class="copyright-footer">Copyright © 2003-2007 Fernando Luis Cacciola Carballal<p>
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2008-02-14 17:43:52 +00:00
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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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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</p>
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</div></td>
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2007-05-29 06:40:25 +00:00
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</tr></table>
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<hr>
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2011-04-06 20:54:18 +00:00
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2007-05-29 06:40:25 +00:00
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