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

[SVN r71048]
This commit is contained in:
Steven Watanabe
2011-04-06 20:54:18 +00:00
parent e9989b260e
commit 960631e201
15 changed files with 1152 additions and 1440 deletions

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@ -1,28 +1,28 @@
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@ -31,7 +31,7 @@
<dt><span class="section"><a href="development.html#boost_optional.development.the_semantics">The semantics</a></span></dt>
<dt><span class="section"><a href="development.html#boost_optional.development.the_interface">The Interface</a></span></dt>
</dl></div>
<div class="section" title="The models">
<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="boost_optional.development.the_models"></a><a class="link" href="development.html#boost_optional.development.the_models" title="The models">The models</a>
</h3></div></div></div>
@ -112,63 +112,63 @@
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
<span class="bold"><strong>deep-copy</strong></span> semantics: copies of the variant
implies copies of the value.
</li>
<span class="bold"><strong>deep-copy</strong></span> semantics: copies of the variant
implies copies of the value.
</li>
<li class="listitem">
<span class="bold"><strong>deep-relational</strong></span> semantics: comparisons
between variants matches both current types and values
</li>
<span class="bold"><strong>deep-relational</strong></span> semantics: comparisons
between variants matches both current types and values
</li>
<li class="listitem">
If the variant's current type is <code class="computeroutput"><span class="identifier">T</span></code>,
it is modeling an <span class="emphasis"><em>initialized</em></span> optional.
</li>
If the variant's current type is <code class="computeroutput"><span class="identifier">T</span></code>,
it is modeling an <span class="emphasis"><em>initialized</em></span> optional.
</li>
<li class="listitem">
If the variant's current type is not <code class="computeroutput"><span class="identifier">T</span></code>,
it is modeling an <span class="emphasis"><em>uninitialized</em></span> optional.
</li>
If the variant's current type is not <code class="computeroutput"><span class="identifier">T</span></code>,
it is modeling an <span class="emphasis"><em>uninitialized</em></span> optional.
</li>
<li class="listitem">
Testing if the variant's current type is <code class="computeroutput"><span class="identifier">T</span></code>
models testing if the optional is initialized
</li>
Testing if the variant's current type is <code class="computeroutput"><span class="identifier">T</span></code>
models testing if the optional is initialized
</li>
<li class="listitem">
Trying to extract a <code class="computeroutput"><span class="identifier">T</span></code> from
a variant when its current type is not <code class="computeroutput"><span class="identifier">T</span></code>,
models the undefined behavior of trying to access the value of an uninitialized
optional
</li>
Trying to extract a <code class="computeroutput"><span class="identifier">T</span></code>
from a variant when its current type is not <code class="computeroutput"><span class="identifier">T</span></code>,
models the undefined behavior of trying to access the value of an uninitialized
optional
</li>
</ul></div>
<p>
Single-element container:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
<span class="bold"><strong>deep-copy</strong></span> semantics: copies of the container
implies copies of the value.
</li>
<span class="bold"><strong>deep-copy</strong></span> semantics: copies of the container
implies copies of the value.
</li>
<li class="listitem">
<span class="bold"><strong>deep-relational</strong></span> semantics: comparisons
between containers compare container size and if match, contained value
</li>
<span class="bold"><strong>deep-relational</strong></span> semantics: comparisons
between containers compare container size and if match, contained value
</li>
<li class="listitem">
If the container is not empty (contains an object of type <code class="computeroutput"><span class="identifier">T</span></code>), it is modeling an <span class="emphasis"><em>initialized</em></span>
optional.
</li>
If the container is not empty (contains an object of type <code class="computeroutput"><span class="identifier">T</span></code>), it is modeling an <span class="emphasis"><em>initialized</em></span>
optional.
</li>
<li class="listitem">
If the container is empty, it is modeling an <span class="emphasis"><em>uninitialized</em></span>
optional.
</li>
If the container is empty, it is modeling an <span class="emphasis"><em>uninitialized</em></span>
optional.
</li>
<li class="listitem">
Testing if the container is empty models testing if the optional is initialized
</li>
Testing if the container is empty models testing if the optional is initialized
</li>
<li class="listitem">
Trying to extract a <code class="computeroutput"><span class="identifier">T</span></code> from
an empty container models the undefined behavior of trying to access the
value of an uninitialized optional
</li>
Trying to extract a <code class="computeroutput"><span class="identifier">T</span></code>
from an empty container models the undefined behavior of trying to access
the value of an uninitialized optional
</li>
</ul></div>
</div>
<div class="section" title="The semantics">
<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="boost_optional.development.the_semantics"></a><a class="link" href="development.html#boost_optional.development.the_semantics" title="The semantics">The semantics</a>
</h3></div></div></div>
@ -195,56 +195,57 @@
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
<span class="bold"><strong>Default Construction:</strong></span> To introduce a formally
uninitialized wrapped object.
</li>
<span class="bold"><strong>Default Construction:</strong></span> To introduce a
formally uninitialized wrapped object.
</li>
<li class="listitem">
<span class="bold"><strong>Direct Value Construction via copy:</strong></span> To
introduce a formally initialized wrapped object whose value is obtained
as a copy of some object.
</li>
<span class="bold"><strong>Direct Value Construction via copy:</strong></span>
To introduce a formally initialized wrapped object whose value is obtained
as a copy of some object.
</li>
<li class="listitem">
<span class="bold"><strong>Deep Copy Construction:</strong></span> To obtain a new
yet equivalent wrapped object.
</li>
<span class="bold"><strong>Deep Copy Construction:</strong></span> To obtain a
new yet equivalent wrapped object.
</li>
<li class="listitem">
<span class="bold"><strong>Direct Value Assignment (upon initialized):</strong></span>
To assign a value to the wrapped object.
</li>
<span class="bold"><strong>Direct Value Assignment (upon initialized):</strong></span>
To assign a value to the wrapped object.
</li>
<li class="listitem">
<span class="bold"><strong>Direct Value Assignment (upon uninitialized):</strong></span>
To initialize the wrapped object with a value obtained as a copy of some
object.
</li>
<span class="bold"><strong>Direct Value Assignment (upon uninitialized):</strong></span>
To initialize the wrapped object with a value obtained as a copy of some
object.
</li>
<li class="listitem">
<span class="bold"><strong>Assignment (upon initialized):</strong></span> To assign
to the wrapped object the value of another wrapped object.
</li>
<span class="bold"><strong>Assignment (upon initialized):</strong></span> To assign
to the wrapped object the value of another wrapped object.
</li>
<li class="listitem">
<span class="bold"><strong>Assignment (upon uninitialized):</strong></span> To initialize
the wrapped object with value of another wrapped object.
</li>
<span class="bold"><strong>Assignment (upon uninitialized):</strong></span> To
initialize the wrapped object with value of another wrapped object.
</li>
<li class="listitem">
<span class="bold"><strong>Deep Relational Operations (when supported by the
type T):</strong></span> To compare wrapped object values taking into account
the presence of uninitialized states.
</li>
<span class="bold"><strong>Deep Relational Operations (when supported by the
type T):</strong></span> To compare wrapped object values taking into account
the presence of uninitialized states.
</li>
<li class="listitem">
<span class="bold"><strong>Value access:</strong></span> To unwrap the wrapped object.
</li>
<span class="bold"><strong>Value access:</strong></span> To unwrap the wrapped
object.
</li>
<li class="listitem">
<span class="bold"><strong>Initialization state query:</strong></span> To determine
if the object is formally initialized or not.
</li>
<span class="bold"><strong>Initialization state query:</strong></span> To determine
if the object is formally initialized or not.
</li>
<li class="listitem">
<span class="bold"><strong>Swap:</strong></span> To exchange wrapped objects. (with
whatever exception safety guarantees are provided by <code class="computeroutput"><span class="identifier">T</span></code>'s
swap).
</li>
<span class="bold"><strong>Swap:</strong></span> To exchange wrapped objects. (with
whatever exception safety guarantees are provided by <code class="computeroutput"><span class="identifier">T</span></code>'s
swap).
</li>
<li class="listitem">
<span class="bold"><strong>De-initialization:</strong></span> To release the wrapped
object (if any) and leave the wrapper in the uninitialized state.
</li>
<span class="bold"><strong>De-initialization:</strong></span> To release the wrapped
object (if any) and leave the wrapper in the uninitialized state.
</li>
</ul></div>
<p>
Additional operations are useful, such as converting constructors and converting
@ -252,7 +253,7 @@
via a pointer to the wrapped object or null.
</p>
</div>
<div class="section" title="The Interface">
<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="boost_optional.development.the_interface"></a><a class="link" href="development.html#boost_optional.development.the_interface" title="The Interface">The Interface</a>
</h3></div></div></div>
@ -292,7 +293,7 @@
itself which are supported by a special interface.
</p>
<a name="boost_optional.development.the_interface.lexically_hinted_value_access_in_the_presence_of_possibly_untitialized_optional_objects__the_operators___and___gt_"></a><h5>
<a name="id555569"></a>
<a name="boost_optional.development.the_interface.lexically_hinted_value_access_in_the_presence_of_possibly_untitialized_optional_objects__the_operators___and___gt_-heading"></a>
<a class="link" href="development.html#boost_optional.development.the_interface.lexically_hinted_value_access_in_the_presence_of_possibly_untitialized_optional_objects__the_operators___and___gt_">Lexically-hinted
Value Access in the presence of possibly untitialized optional objects: The
operators * and -&gt;</a>
@ -357,7 +358,7 @@
incarnated by pointers.
</p>
<a name="boost_optional.development.the_interface.optional_lt_t_gt__as_a_model_of_optionalpointee"></a><h5>
<a name="id555831"></a>
<a name="boost_optional.development.the_interface.optional_lt_t_gt__as_a_model_of_optionalpointee-heading"></a>
<a class="link" href="development.html#boost_optional.development.the_interface.optional_lt_t_gt__as_a_model_of_optionalpointee">Optional&lt;T&gt;
as a model of OptionalPointee</a>
</h5>
@ -367,9 +368,9 @@
about the possibly uninitialized state appealing to the familiar pointer
semantics w.r.t. to null pointers.
</p>
<div class="warning" title="Warning"><table border="0" summary="Warning">
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<th align="left">Warning</th>
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<tr><td align="left" valign="top"><p>
@ -398,7 +399,7 @@
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<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>
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