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Add assignment operators taking an InPlaceFactory to the Detailed Semantics section. Fixes #5378.

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[SVN r71048]
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Steven Watanabe
2011-04-06 20:54:18 +00:00
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<div class="section" title="Acknowledgments">
<div class="section">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="boost_optional.acknowledgments"></a><a class="link" href="acknowledgments.html" title="Acknowledgments">Acknowledgments</a>
</h2></div></div></div>
<a name="boost_optional.acknowledgments.pre_formal_review"></a><h4>
<a name="id583998"></a>
<a name="boost_optional.acknowledgments.pre_formal_review-heading"></a>
<a class="link" href="acknowledgments.html#boost_optional.acknowledgments.pre_formal_review">Pre-formal
review</a>
</h4>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
Peter Dimov suggested the name 'optional', and was the first to point out
the need for aligned storage.
</li>
Peter Dimov suggested the name 'optional', and was the first to point out
the need for aligned storage.
</li>
<li class="listitem">
Douglas Gregor developed 'type_with_alignment', and later Eric Friedman coded
'aligned_storage', which are the core of the optional class implementation.
</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 class="listitem">
Andrei Alexandrescu and Brian Parker also worked with aligned storage techniques
and their work influenced the current implementation.
</li>
Andrei Alexandrescu and Brian Parker also worked with aligned storage techniques
and their work influenced the current implementation.
</li>
<li class="listitem">
Gennadiy Rozental made extensive and important comments which shaped the
design.
</li>
Gennadiy Rozental made extensive and important comments which shaped the
design.
</li>
<li class="listitem">
Vesa Karvonen and Douglas Gregor made quite useful comparisons between optional,
variant and any; and made other relevant comments.
</li>
Vesa Karvonen and Douglas Gregor made quite useful comparisons between
optional, variant and any; and made other relevant comments.
</li>
<li class="listitem">
Douglas Gregor and Peter Dimov commented on comparisons and evaluation in
boolean contexts.
</li>
Douglas Gregor and Peter Dimov commented on comparisons and evaluation
in boolean contexts.
</li>
<li class="listitem">
Eric Friedman helped understand the issues involved with aligned storage,
move/copy operations and exception safety.
</li>
Eric Friedman helped understand the issues involved with aligned storage,
move/copy operations and exception safety.
</li>
<li class="listitem">
Many others have participated with useful comments: Aleksey Gurotov, Kevlin
Henney, David Abrahams, and others I can't recall.
</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="id584068"></a>
<a name="boost_optional.acknowledgments.post_formal_review-heading"></a>
<a class="link" href="acknowledgments.html#boost_optional.acknowledgments.post_formal_review">Post-formal
review</a>
</h4>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
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>
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 class="listitem">
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>
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 class="listitem">
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>
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 class="listitem">
Joel de Guzman noticed that optional&lt;&gt; can be seen as an API on top
of variant&lt;T,nil_t&gt;.
</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 class="listitem">
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>
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 class="listitem">
Other comments were posted by Vincent Finn, Anthony Williams, Ed Brey, Rob
Stewart, and others.
</li>
Other comments were posted by Vincent Finn, Anthony Williams, Ed Brey,
Rob Stewart, and others.
</li>
<li class="listitem">
Joel de Guzman made the case for the support of references and helped with
the proper semantics.
</li>
Joel de Guzman made the case for the support of references and helped with
the proper semantics.
</li>
<li class="listitem">
Mat Marcus shown the virtues of a value-oriented interface, influencing the
current design, and contributed the idea of "none".
</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"><div class="copyright-footer">Copyright <EFBFBD> 2003 -2007 Fernando Luis Cacciola Carballal<p>
<td align="right"><div class="copyright-footer">Copyright &#169; 2003-2007 Fernando Luis Cacciola Carballal<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>)
</p>
@ -119,7 +119,7 @@
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