<span class="keyword">class</span> <a class="link" href="function/impl_template.html" title="Class template impl_template">impl_template</a> <span class="special">:</span> <span class="keyword">public</span> <span class="identifier">function</span><span class="special"><</span> <span class="identifier">R</span> <span class="special">></span><span class="special">::</span><span class="identifier">impl</span> <span class="special">{</span>
<span class="keyword">public</span><span class="special">:</span>
<span class="comment">// <a class="link" href="function/impl_template.html#boost.log.attributes.function.impl_templateconstruct-copy-destruct">construct/copy/destruct</a></span>
- <span class="keyword">explicit</span> <a class="link" href="function/impl_template.html#idm45185967101088-bb"><span class="identifier">impl_template</span></a><span class="special">(</span><span class="identifier">T</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span>
+ <span class="keyword">explicit</span> <a class="link" href="function/impl_template.html#idm45711348701808-bb"><span class="identifier">impl_template</span></a><span class="special">(</span><span class="identifier">T</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span>
- <span class="comment">// <a class="link" href="function/impl_template.html#idm45185967104144-bb">public member functions</a></span>
- <span class="keyword">virtual</span> <a class="link" href="../attribute_value.html" title="Class attribute_value">attribute_value</a> <a class="link" href="function/impl_template.html#idm45185967103584-bb"><span class="identifier">get_value</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
+ <span class="comment">// <a class="link" href="function/impl_template.html#idm45711348704864-bb">public member functions</a></span>
+ <span class="keyword">virtual</span> <a class="link" href="../attribute_value.html" title="Class attribute_value">attribute_value</a> <a class="link" href="function/impl_template.html#idm45711348704304-bb"><span class="identifier">get_value</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span>
<span class="comment">// <a class="link" href="function.html#boost.log.attributes.functionconstruct-copy-destruct">construct/copy/destruct</a></span>
- <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">></span> <span class="keyword">explicit</span> <a class="link" href="function.html#idm45185967094672-bb"><span class="identifier">function</span></a><span class="special">(</span><span class="identifier">T</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span>
- <span class="keyword">explicit</span> <a class="link" href="function.html#idm45185967092144-bb"><span class="identifier">function</span></a><span class="special">(</span><a class="link" href="cast_source.html" title="Class cast_source">cast_source</a> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span>
+ <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">></span> <span class="keyword">explicit</span> <a class="link" href="function.html#idm45711348695392-bb"><span class="identifier">function</span></a><span class="special">(</span><span class="identifier">T</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span>
+ <span class="keyword">explicit</span> <a class="link" href="function.html#idm45711348692864-bb"><span class="identifier">function</span></a><span class="special">(</span><a class="link" href="cast_source.html" title="Class cast_source">cast_source</a> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span>
- <span class="comment">// <a class="link" href="function.html#idm45185967098240-bb">private member functions</a></span>
- <a class="link" href="function.html#idm45185967097664-bb"><span class="identifier">BOOST_STATIC_ASSERT_MSG</span></a><span class="special">(</span><span class="special">!</span><span class="identifier">is_void</span><span class="special"><</span> <span class="identifier">R</span> <span class="special">></span><span class="special">::</span><span class="identifier">value</span><span class="special">,</span>
+ <span class="comment">// <a class="link" href="function.html#idm45711348698960-bb">private member functions</a></span>
+ <a class="link" href="function.html#idm45711348698384-bb"><span class="identifier">BOOST_STATIC_ASSERT_MSG</span></a><span class="special">(</span><span class="special">!</span><span class="identifier">is_void</span><span class="special"><</span> <span class="identifier">R</span> <span class="special">></span><span class="special">::</span><span class="identifier">value</span><span class="special">,</span>
<span class="string">"Boost.Log: Function object return type must not be void"</span><span class="special">)</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
-<a name="idm46436920338080"></a><h2>Description</h2>
+<a name="idm45554751831248"></a><h2>Description</h2>
<p>The attribute calls a stored nullary function object to acquire each value. The result type of the function object is the attribute value type.</p>
<p>It is not recommended to use this class directly. Use <code class="computeroutput">make_function</code> convenience functions to construct the attribute instead. </p>
<div class="refsect2">
-<a name="idm46436920336160"></a><h3>
+<a name="idm45554751829328"></a><h3>
<a name="boost.log.attributes.functionconstruct-copy-destruct"></a><code class="computeroutput">function</code>
public
construct/copy/destruct</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
-<pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">></span> <span class="keyword">explicit</span> <a name="idm45185967094672-bb"></a><span class="identifier">function</span><span class="special">(</span><span class="identifier">T</span> <span class="keyword">const</span> <span class="special">&</span> fun<span class="special">)</span><span class="special">;</span></pre>
+<pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">></span> <span class="keyword">explicit</span> <a name="idm45711348695392-bb"></a><span class="identifier">function</span><span class="special">(</span><span class="identifier">T</span> <span class="keyword">const</span> <span class="special">&</span> fun<span class="special">)</span><span class="special">;</span></pre>
<p>Initializing constructor </p>
</li>
<li class="listitem">
-<pre class="literallayout"><span class="keyword">explicit</span> <a name="idm45185967092144-bb"></a><span class="identifier">function</span><span class="special">(</span><a class="link" href="cast_source.html" title="Class cast_source">cast_source</a> <span class="keyword">const</span> <span class="special">&</span> source<span class="special">)</span><span class="special">;</span></pre>
+<pre class="literallayout"><span class="keyword">explicit</span> <a name="idm45711348692864-bb"></a><span class="identifier">function</span><span class="special">(</span><a class="link" href="cast_source.html" title="Class cast_source">cast_source</a> <span class="keyword">const</span> <span class="special">&</span> source<span class="special">)</span><span class="special">;</span></pre>
<p>Constructor for casting support </p>
</li>
</ol></div>
</div>
<div class="refsect2">
-<a name="idm46436920317808"></a><h3>
-<a name="idm45185967098240-bb"></a><code class="computeroutput">function</code> private member functions</h3>
-<div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"><pre class="literallayout"> <a name="idm45185967097664-bb"></a><span class="identifier">BOOST_STATIC_ASSERT_MSG</span><span class="special">(</span><span class="special">!</span><span class="identifier">is_void</span><span class="special"><</span> <span class="identifier">R</span> <span class="special">></span><span class="special">::</span><span class="identifier">value</span><span class="special">,</span>
+<a name="idm45554751810976"></a><h3>
+<a name="idm45711348698960-bb"></a><code class="computeroutput">function</code> private member functions</h3>
+<div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"><pre class="literallayout"> <a name="idm45711348698384-bb"></a><span class="identifier">BOOST_STATIC_ASSERT_MSG</span><span class="special">(</span><span class="special">!</span><span class="identifier">is_void</span><span class="special"><</span> <span class="identifier">R</span> <span class="special">></span><span class="special">::</span><span class="identifier">value</span><span class="special">,</span>
<span class="string">"Boost.Log: Function object return type must not be void"</span><span class="special">)</span><span class="special">;</span></pre></li></ol></div>
</div>
</div>