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123 lines
5.4 KiB
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>Acknowledgments</title>
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<meta name="generator" content="DocBook XSL Stylesheets V1.70.1">
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<link rel="start" href="../index.html" title="Chapter<65>1.<2E>Boost.Optional">
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<link rel="up" href="../index.html" title="Chapter<65>1.<2E>Boost.Optional">
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<link rel="prev" href="dependencies_and_portability.html" title="Dependencies
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and Portability">
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
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<table cellpadding="2" width="100%">
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<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../boost.png"></td>
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<td align="center"><a href="../../../index.htm">Home</a></td>
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<td align="center"><a href="../libraries.html">Libraries</a></td>
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<td align="center"><a href="../../../people/people.htm">People</a></td>
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<td align="center"><a href="../../../more/faq.htm">FAQ</a></td>
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<td align="center"><a href="../../../more/index.htm">More</a></td>
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</table>
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<hr>
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<div class="spirit-nav">
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<a accesskey="p" href="dependencies_and_portability.html"><img src="../images/prev.png" alt="Prev"></a><a accesskey="u" href="../index.html"><img src="../images/up.png" alt="Up"></a><a accesskey="h" href="../index.html"><img src="../images/home.png" alt="Home"></a>
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</div>
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<div class="section" lang="en">
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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 href="acknowledgments.html" title="Acknowledgments">Acknowledgments</a>
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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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<a name="id2644860"></a>
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<a href="acknowledgments.html#boost_optional.acknowledgments.pre_formal_review">Pre-formal
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review</a>
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</h4>
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<div class="itemizedlist"><ul type="disc">
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<li>
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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>
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Douglas Gregor developed 'type_with_alignment', and later Eric Friedman coded
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'aligned_storage', which are the core of the optional class implementation.
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</li>
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<li>
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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>
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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>
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Vesa Karvonen and Douglas Gregor made quite useful comparisons between optional,
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variant and any; and made other relevant comments.
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</li>
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<li>
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Douglas Gregor and Peter Dimov commented on comparisons and evaluation in
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boolean contexts.
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</li>
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<li>
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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>
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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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</ul></div>
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<a name="boost_optional.acknowledgments.post_formal_review"></a><h4>
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<a name="id2644931"></a>
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<a href="acknowledgments.html#boost_optional.acknowledgments.post_formal_review">Post-formal
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review</a>
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</h4>
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<div class="itemizedlist"><ul type="disc">
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<li>
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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 and
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about relational operators.
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</li>
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<li>
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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); concluding
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with the fact that the pointer-like interface doesn't make it a pointer so
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it shall have deep relational operators.
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</li>
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<li>
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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>
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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>
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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>
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Other comments were posted by Vincent Finn, Anthony Williams, Ed Brey, Rob
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Stewart, and others.
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</li>
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<li>
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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>
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Mat Marcus shown the virtues of a value-oriented interface, influencing the
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current design, and contributed the idea of "none".
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</li>
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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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<td align="right"><small>Copyright <20> 2003 -2007 Fernando Luis Cacciola Carballal</small></td>
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</tr></table>
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<hr>
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<div class="spirit-nav">
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<a accesskey="p" href="dependencies_and_portability.html"><img src="../images/prev.png" alt="Prev"></a><a accesskey="u" href="../index.html"><img src="../images/up.png" alt="Up"></a><a accesskey="h" href="../index.html"><img src="../images/home.png" alt="Home"></a>
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</body>
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