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Add assignment operators taking an InPlaceFactory to the Detailed Semantics section. Fixes #5378.
[SVN r71048]
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<a name="boost_optional.development"></a><a class="link" href="development.html" title="Development">Development</a>
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@ -31,7 +31,7 @@
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<dt><span class="section"><a href="development.html#boost_optional.development.the_semantics">The semantics</a></span></dt>
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<dt><span class="section"><a href="development.html#boost_optional.development.the_interface">The Interface</a></span></dt>
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</dl></div>
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<div class="section" title="The models">
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<div class="section">
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<div class="titlepage"><div><div><h3 class="title">
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<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>
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</h3></div></div></div>
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@ -112,63 +112,63 @@
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</p>
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<div class="itemizedlist"><ul class="itemizedlist" type="disc">
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<li class="listitem">
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<span class="bold"><strong>deep-copy</strong></span> semantics: copies of the variant
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implies copies of the value.
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</li>
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<span class="bold"><strong>deep-copy</strong></span> semantics: copies of the variant
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implies copies of the value.
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</li>
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<li class="listitem">
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<span class="bold"><strong>deep-relational</strong></span> semantics: comparisons
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between variants matches both current types and values
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</li>
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<span class="bold"><strong>deep-relational</strong></span> semantics: comparisons
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between variants matches both current types and values
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</li>
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<li class="listitem">
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If the variant's current type is <code class="computeroutput"><span class="identifier">T</span></code>,
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it is modeling an <span class="emphasis"><em>initialized</em></span> optional.
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</li>
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If the variant's current type is <code class="computeroutput"><span class="identifier">T</span></code>,
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it is modeling an <span class="emphasis"><em>initialized</em></span> optional.
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</li>
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<li class="listitem">
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If the variant's current type is not <code class="computeroutput"><span class="identifier">T</span></code>,
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it is modeling an <span class="emphasis"><em>uninitialized</em></span> optional.
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</li>
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If the variant's current type is not <code class="computeroutput"><span class="identifier">T</span></code>,
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it is modeling an <span class="emphasis"><em>uninitialized</em></span> optional.
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</li>
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<li class="listitem">
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Testing if the variant's current type is <code class="computeroutput"><span class="identifier">T</span></code>
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models testing if the optional is initialized
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</li>
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Testing if the variant's current type is <code class="computeroutput"><span class="identifier">T</span></code>
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models testing if the optional is initialized
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</li>
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<li class="listitem">
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Trying to extract a <code class="computeroutput"><span class="identifier">T</span></code> from
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a variant when its current type is not <code class="computeroutput"><span class="identifier">T</span></code>,
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models the undefined behavior of trying to access the value of an uninitialized
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optional
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</li>
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Trying to extract a <code class="computeroutput"><span class="identifier">T</span></code>
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from a variant when its current type is not <code class="computeroutput"><span class="identifier">T</span></code>,
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models the undefined behavior of trying to access the value of an uninitialized
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optional
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</li>
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</ul></div>
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<p>
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Single-element container:
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</p>
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<div class="itemizedlist"><ul class="itemizedlist" type="disc">
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<li class="listitem">
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<span class="bold"><strong>deep-copy</strong></span> semantics: copies of the container
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implies copies of the value.
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</li>
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<span class="bold"><strong>deep-copy</strong></span> semantics: copies of the container
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implies copies of the value.
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</li>
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<li class="listitem">
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<span class="bold"><strong>deep-relational</strong></span> semantics: comparisons
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between containers compare container size and if match, contained value
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</li>
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<span class="bold"><strong>deep-relational</strong></span> semantics: comparisons
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between containers compare container size and if match, contained value
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</li>
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<li class="listitem">
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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>
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optional.
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</li>
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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>
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optional.
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</li>
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<li class="listitem">
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If the container is empty, it is modeling an <span class="emphasis"><em>uninitialized</em></span>
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optional.
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</li>
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If the container is empty, it is modeling an <span class="emphasis"><em>uninitialized</em></span>
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optional.
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</li>
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<li class="listitem">
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Testing if the container is empty models testing if the optional is initialized
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</li>
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Testing if the container is empty models testing if the optional is initialized
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</li>
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<li class="listitem">
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Trying to extract a <code class="computeroutput"><span class="identifier">T</span></code> from
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an empty container models the undefined behavior of trying to access the
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value of an uninitialized optional
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</li>
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Trying to extract a <code class="computeroutput"><span class="identifier">T</span></code>
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from an empty container models the undefined behavior of trying to access
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the value of an uninitialized optional
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</li>
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</ul></div>
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</div>
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<div class="section" title="The semantics">
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<div class="section">
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<div class="titlepage"><div><div><h3 class="title">
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<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>
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</h3></div></div></div>
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@ -195,56 +195,57 @@
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</p>
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<div class="itemizedlist"><ul class="itemizedlist" type="disc">
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<li class="listitem">
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<span class="bold"><strong>Default Construction:</strong></span> To introduce a formally
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uninitialized wrapped object.
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</li>
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<span class="bold"><strong>Default Construction:</strong></span> To introduce a
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formally uninitialized wrapped object.
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</li>
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<li class="listitem">
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<span class="bold"><strong>Direct Value Construction via copy:</strong></span> To
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introduce a formally initialized wrapped object whose value is obtained
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as a copy of some object.
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</li>
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<span class="bold"><strong>Direct Value Construction via copy:</strong></span>
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To introduce a formally initialized wrapped object whose value is obtained
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as a copy of some object.
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</li>
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<li class="listitem">
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<span class="bold"><strong>Deep Copy Construction:</strong></span> To obtain a new
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yet equivalent wrapped object.
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</li>
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<span class="bold"><strong>Deep Copy Construction:</strong></span> To obtain a
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new yet equivalent wrapped object.
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</li>
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<li class="listitem">
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<span class="bold"><strong>Direct Value Assignment (upon initialized):</strong></span>
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To assign a value to the wrapped object.
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</li>
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<span class="bold"><strong>Direct Value Assignment (upon initialized):</strong></span>
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To assign a value to the wrapped object.
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</li>
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<li class="listitem">
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<span class="bold"><strong>Direct Value Assignment (upon uninitialized):</strong></span>
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To initialize the wrapped object with a value obtained as a copy of some
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object.
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</li>
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<span class="bold"><strong>Direct Value Assignment (upon uninitialized):</strong></span>
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To initialize the wrapped object with a value obtained as a copy of some
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object.
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</li>
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<li class="listitem">
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<span class="bold"><strong>Assignment (upon initialized):</strong></span> To assign
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to the wrapped object the value of another wrapped object.
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</li>
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<span class="bold"><strong>Assignment (upon initialized):</strong></span> To assign
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to the wrapped object the value of another wrapped object.
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</li>
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<li class="listitem">
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<span class="bold"><strong>Assignment (upon uninitialized):</strong></span> To initialize
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the wrapped object with value of another wrapped object.
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</li>
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<span class="bold"><strong>Assignment (upon uninitialized):</strong></span> To
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initialize the wrapped object with value of another wrapped object.
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</li>
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<li class="listitem">
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<span class="bold"><strong>Deep Relational Operations (when supported by the
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type T):</strong></span> To compare wrapped object values taking into account
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the presence of uninitialized states.
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</li>
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<span class="bold"><strong>Deep Relational Operations (when supported by the
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type T):</strong></span> To compare wrapped object values taking into account
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the presence of uninitialized states.
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</li>
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<li class="listitem">
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<span class="bold"><strong>Value access:</strong></span> To unwrap the wrapped object.
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</li>
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<span class="bold"><strong>Value access:</strong></span> To unwrap the wrapped
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object.
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</li>
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<li class="listitem">
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<span class="bold"><strong>Initialization state query:</strong></span> To determine
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if the object is formally initialized or not.
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</li>
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<span class="bold"><strong>Initialization state query:</strong></span> To determine
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if the object is formally initialized or not.
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</li>
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<li class="listitem">
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<span class="bold"><strong>Swap:</strong></span> To exchange wrapped objects. (with
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whatever exception safety guarantees are provided by <code class="computeroutput"><span class="identifier">T</span></code>'s
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swap).
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</li>
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<span class="bold"><strong>Swap:</strong></span> To exchange wrapped objects. (with
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whatever exception safety guarantees are provided by <code class="computeroutput"><span class="identifier">T</span></code>'s
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swap).
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</li>
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<li class="listitem">
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<span class="bold"><strong>De-initialization:</strong></span> To release the wrapped
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object (if any) and leave the wrapper in the uninitialized state.
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</li>
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<span class="bold"><strong>De-initialization:</strong></span> To release the wrapped
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object (if any) and leave the wrapper in the uninitialized state.
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</li>
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</ul></div>
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<p>
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Additional operations are useful, such as converting constructors and converting
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@ -252,7 +253,7 @@
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via a pointer to the wrapped object or null.
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</p>
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</div>
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<div class="section" title="The Interface">
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<div class="section">
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<div class="titlepage"><div><div><h3 class="title">
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<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>
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</h3></div></div></div>
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@ -292,7 +293,7 @@
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itself which are supported by a special interface.
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</p>
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<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>
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<a name="id555569"></a>
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<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>
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<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
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Value Access in the presence of possibly untitialized optional objects: The
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operators * and -></a>
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@ -357,7 +358,7 @@
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incarnated by pointers.
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</p>
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<a name="boost_optional.development.the_interface.optional_lt_t_gt__as_a_model_of_optionalpointee"></a><h5>
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<a name="id555831"></a>
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<a name="boost_optional.development.the_interface.optional_lt_t_gt__as_a_model_of_optionalpointee-heading"></a>
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<a class="link" href="development.html#boost_optional.development.the_interface.optional_lt_t_gt__as_a_model_of_optionalpointee">Optional<T>
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as a model of OptionalPointee</a>
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</h5>
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@ -367,9 +368,9 @@
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about the possibly uninitialized state appealing to the familiar pointer
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semantics w.r.t. to null pointers.
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</p>
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<div class="warning" title="Warning"><table border="0" summary="Warning">
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<div class="warning"><table border="0" summary="Warning">
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<tr>
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<td rowspan="2" align="center" valign="top" width="25"><img alt="[Warning]" src="../../../../../doc/html/images/warning.png"></td>
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<td rowspan="2" align="center" valign="top" width="25"><img alt="[Warning]" src="../../../../../doc/src/images/warning.png"></td>
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<th align="left">Warning</th>
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</tr>
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<tr><td align="left" valign="top"><p>
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@ -398,7 +399,7 @@
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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"><div class="copyright-footer">Copyright <EFBFBD> 2003 -2007 Fernando Luis Cacciola Carballal<p>
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<td align="right"><div class="copyright-footer">Copyright © 2003-2007 Fernando Luis Cacciola Carballal<p>
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||||
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>)
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</p>
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@ -406,7 +407,7 @@
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</tr></table>
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<hr>
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<div class="spirit-nav">
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