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apache / mxnet-site / d5c5a235eef72f64ccaf224b834a20ef3287469b / . / versions / 1.9.1 / api / cpp / docs / api / classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4.html
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<li class="navelem"><a class="el" href="namespacemxnet.html">mxnet</a></li><li class="navelem"><a class="el" href="namespacemxnet_1_1runtime.html">runtime</a></li><li class="navelem"><a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4.html">TypedPackedFunc&lt; R(Args...)&gt;</a></li> </ul>
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<a href="#pub-types">Public Types</a> &#124;
<a href="#pub-methods">Public Member Functions</a> &#124;
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<div class="title">mxnet::runtime::TypedPackedFunc&lt; R(Args...)&gt; Class Template Reference</div> </div>
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<p>A <a class="el" href="classmxnet_1_1runtime_1_1PackedFunc.html" title="Packed function is a type-erased function. The arguments are passed by packed format. ">PackedFunc</a> wrapper to provide typed function signature. It is backed by a <a class="el" href="classmxnet_1_1runtime_1_1PackedFunc.html" title="Packed function is a type-erased function. The arguments are passed by packed format. ">PackedFunc</a> internally.
<a href="classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4.html#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="packed__func_8h_source.html">packed_func.h</a>&gt;</code></p>
<div class="dynheader">
Collaboration diagram for mxnet::runtime::TypedPackedFunc&lt; R(Args...)&gt;:</div>
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<div class="center"><img src="classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4__coll__graph.png" border="0" usemap="#mxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4_coll__map" alt="Collaboration graph"/></div>
<map name="mxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4_coll__map" id="mxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4_coll__map">
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr class="memitem:a670beef00f53ec77196f4a31ea6b49f2"><td class="memItemLeft" align="right" valign="top">using&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4.html#a670beef00f53ec77196f4a31ea6b49f2">TSelf</a> = <a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc.html">TypedPackedFunc</a>&lt; R(Args...)&gt;</td></tr>
<tr class="memdesc:a670beef00f53ec77196f4a31ea6b49f2"><td class="mdescLeft">&#160;</td><td class="mdescRight">short hand for this function type <a href="#a670beef00f53ec77196f4a31ea6b49f2">More...</a><br /></td></tr>
<tr class="separator:a670beef00f53ec77196f4a31ea6b49f2"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:ae599bbe63d6f9288cd7b6daf82c32bca"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4.html#ae599bbe63d6f9288cd7b6daf82c32bca">TypedPackedFunc</a> ()</td></tr>
<tr class="memdesc:ae599bbe63d6f9288cd7b6daf82c32bca"><td class="mdescLeft">&#160;</td><td class="mdescRight">default constructor <a href="#ae599bbe63d6f9288cd7b6daf82c32bca">More...</a><br /></td></tr>
<tr class="separator:ae599bbe63d6f9288cd7b6daf82c32bca"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a46c9d55bc9c1d057b75b5b4951773e7c"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4.html#a46c9d55bc9c1d057b75b5b4951773e7c">TypedPackedFunc</a> (std::nullptr_t null)</td></tr>
<tr class="memdesc:a46c9d55bc9c1d057b75b5b4951773e7c"><td class="mdescLeft">&#160;</td><td class="mdescRight">constructor from null <a href="#a46c9d55bc9c1d057b75b5b4951773e7c">More...</a><br /></td></tr>
<tr class="separator:a46c9d55bc9c1d057b75b5b4951773e7c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:affc78c30f11be945648c41b3172aae14"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4.html#affc78c30f11be945648c41b3172aae14">TypedPackedFunc</a> (<a class="el" href="classmxnet_1_1runtime_1_1PackedFunc.html">PackedFunc</a> <a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4.html#ad4bb115d301a105f8cb8f2a4dc1b9728">packed</a>)</td></tr>
<tr class="memdesc:affc78c30f11be945648c41b3172aae14"><td class="mdescLeft">&#160;</td><td class="mdescRight">construct by wrap a <a class="el" href="classmxnet_1_1runtime_1_1PackedFunc.html" title="Packed function is a type-erased function. The arguments are passed by packed format. ">PackedFunc</a> <a href="#affc78c30f11be945648c41b3172aae14">More...</a><br /></td></tr>
<tr class="separator:affc78c30f11be945648c41b3172aae14"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:af4a03ccde96f0fedc93f4286cd586a25"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4.html#af4a03ccde96f0fedc93f4286cd586a25">TypedPackedFunc</a> (const <a class="el" href="classmxnet_1_1runtime_1_1MXNetRetValue.html">MXNetRetValue</a> &amp;value)</td></tr>
<tr class="memdesc:af4a03ccde96f0fedc93f4286cd586a25"><td class="mdescLeft">&#160;</td><td class="mdescRight">constructor from <a class="el" href="classmxnet_1_1runtime_1_1MXNetRetValue.html" title="Return Value container, Unlike MXNetArgValue, which only holds reference and do not delete the underl...">MXNetRetValue</a> <a href="#af4a03ccde96f0fedc93f4286cd586a25">More...</a><br /></td></tr>
<tr class="separator:af4a03ccde96f0fedc93f4286cd586a25"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aecb1c7be192f44b14f1702fd0e9537d2"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4.html#aecb1c7be192f44b14f1702fd0e9537d2">TypedPackedFunc</a> (const <a class="el" href="classmxnet_1_1runtime_1_1MXNetArgValue.html">MXNetArgValue</a> &amp;value)</td></tr>
<tr class="memdesc:aecb1c7be192f44b14f1702fd0e9537d2"><td class="mdescLeft">&#160;</td><td class="mdescRight">constructor from <a class="el" href="classmxnet_1_1runtime_1_1MXNetArgValue.html" title="A single argument value to PackedFunc. Containing both type_code and MXNetValue. ">MXNetArgValue</a> <a href="#aecb1c7be192f44b14f1702fd0e9537d2">More...</a><br /></td></tr>
<tr class="separator:aecb1c7be192f44b14f1702fd0e9537d2"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:af8267efba1a75c5b70ef1abefac919e7"><td class="memTemplParams" colspan="2">template&lt;typename FLambda , typename = typename std::enable_if&lt; std::is_convertible&lt;FLambda, std::function&lt;R(Args...)&gt; &gt;::value&gt;::type&gt; </td></tr>
<tr class="memitem:af8267efba1a75c5b70ef1abefac919e7"><td class="memTemplItemLeft" align="right" valign="top">&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4.html#af8267efba1a75c5b70ef1abefac919e7">TypedPackedFunc</a> (const FLambda &amp;typed_lambda)</td></tr>
<tr class="memdesc:af8267efba1a75c5b70ef1abefac919e7"><td class="mdescLeft">&#160;</td><td class="mdescRight">construct from a lambda function with the same signature. <a href="#af8267efba1a75c5b70ef1abefac919e7">More...</a><br /></td></tr>
<tr class="separator:af8267efba1a75c5b70ef1abefac919e7"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a189f236d52cfdac239f6e95aea5afdcb"><td class="memTemplParams" colspan="2">template&lt;typename FLambda , typename = typename std::enable_if&lt; std::is_convertible&lt;FLambda, std::function&lt;R(Args...)&gt; &gt;::value&gt;::type&gt; </td></tr>
<tr class="memitem:a189f236d52cfdac239f6e95aea5afdcb"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4.html#a670beef00f53ec77196f4a31ea6b49f2">TSelf</a> &amp;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4.html#a189f236d52cfdac239f6e95aea5afdcb">operator=</a> (FLambda typed_lambda)</td></tr>
<tr class="memdesc:a189f236d52cfdac239f6e95aea5afdcb"><td class="mdescLeft">&#160;</td><td class="mdescRight">copy assignment operator from typed lambda <a href="#a189f236d52cfdac239f6e95aea5afdcb">More...</a><br /></td></tr>
<tr class="separator:a189f236d52cfdac239f6e95aea5afdcb"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a4eaefea11c422aeac16772e34e64e89b"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4.html#a670beef00f53ec77196f4a31ea6b49f2">TSelf</a> &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4.html#a4eaefea11c422aeac16772e34e64e89b">operator=</a> (<a class="el" href="classmxnet_1_1runtime_1_1PackedFunc.html">PackedFunc</a> <a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4.html#ad4bb115d301a105f8cb8f2a4dc1b9728">packed</a>)</td></tr>
<tr class="memdesc:a4eaefea11c422aeac16772e34e64e89b"><td class="mdescLeft">&#160;</td><td class="mdescRight">copy assignment operator from <a class="el" href="classmxnet_1_1runtime_1_1PackedFunc.html" title="Packed function is a type-erased function. The arguments are passed by packed format. ">PackedFunc</a>. <a href="#a4eaefea11c422aeac16772e34e64e89b">More...</a><br /></td></tr>
<tr class="separator:a4eaefea11c422aeac16772e34e64e89b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:adfbe345cb764f228c4bfb40c1d221051"><td class="memItemLeft" align="right" valign="top">R&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4.html#adfbe345cb764f228c4bfb40c1d221051">operator()</a> (Args ...args) const</td></tr>
<tr class="memdesc:adfbe345cb764f228c4bfb40c1d221051"><td class="mdescLeft">&#160;</td><td class="mdescRight">Invoke the operator. <a href="#adfbe345cb764f228c4bfb40c1d221051">More...</a><br /></td></tr>
<tr class="separator:adfbe345cb764f228c4bfb40c1d221051"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:afa075f49f7191e8d7b7b536cf1d8c34a"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4.html#afa075f49f7191e8d7b7b536cf1d8c34a">operator PackedFunc</a> () const</td></tr>
<tr class="memdesc:afa075f49f7191e8d7b7b536cf1d8c34a"><td class="mdescLeft">&#160;</td><td class="mdescRight">convert to <a class="el" href="classmxnet_1_1runtime_1_1PackedFunc.html" title="Packed function is a type-erased function. The arguments are passed by packed format. ">PackedFunc</a> <a href="#afa075f49f7191e8d7b7b536cf1d8c34a">More...</a><br /></td></tr>
<tr class="separator:afa075f49f7191e8d7b7b536cf1d8c34a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad4bb115d301a105f8cb8f2a4dc1b9728"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="classmxnet_1_1runtime_1_1PackedFunc.html">PackedFunc</a> &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4.html#ad4bb115d301a105f8cb8f2a4dc1b9728">packed</a> () const</td></tr>
<tr class="separator:ad4bb115d301a105f8cb8f2a4dc1b9728"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a1d2760f354a0549b13d2fdf22478c3bb"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4.html#a1d2760f354a0549b13d2fdf22478c3bb">operator==</a> (std::nullptr_t null) const</td></tr>
<tr class="separator:a1d2760f354a0549b13d2fdf22478c3bb"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:afa9590c5ba8312d084cd8e48fffa0341"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4.html#afa9590c5ba8312d084cd8e48fffa0341">operator!=</a> (std::nullptr_t null) const</td></tr>
<tr class="separator:afa9590c5ba8312d084cd8e48fffa0341"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac1475acbfa941e29a91a4438fc7d6ebd"><td class="memTemplParams" colspan="2">template&lt;typename FType &gt; </td></tr>
<tr class="memitem:ac1475acbfa941e29a91a4438fc7d6ebd"><td class="memTemplItemLeft" align="right" valign="top">void&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4.html#ac1475acbfa941e29a91a4438fc7d6ebd">AssignTypedLambda</a> (FType flambda)</td></tr>
<tr class="separator:ac1475acbfa941e29a91a4438fc7d6ebd"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="friends"></a>
Friends</h2></td></tr>
<tr class="memitem:a82aa089816e7ff294eecf5c1bc1165cf"><td class="memItemLeft" align="right" valign="top">class&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4.html#a82aa089816e7ff294eecf5c1bc1165cf">MXNetRetValue</a></td></tr>
<tr class="separator:a82aa089816e7ff294eecf5c1bc1165cf"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><h3>template&lt;typename R, typename ... Args&gt;<br />
class mxnet::runtime::TypedPackedFunc&lt; R(Args...)&gt;</h3>
<p>A <a class="el" href="classmxnet_1_1runtime_1_1PackedFunc.html" title="Packed function is a type-erased function. The arguments are passed by packed format. ">PackedFunc</a> wrapper to provide typed function signature. It is backed by a <a class="el" href="classmxnet_1_1runtime_1_1PackedFunc.html" title="Packed function is a type-erased function. The arguments are passed by packed format. ">PackedFunc</a> internally. </p>
<p><a class="anchor" id="TypedPackedFuncAnchor"></a><a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc.html" title="Please refer to TypedPackedFunc&lt;R(Args..)&gt;. ">TypedPackedFunc</a> enables compile time type checking. <a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc.html" title="Please refer to TypedPackedFunc&lt;R(Args..)&gt;. ">TypedPackedFunc</a> works with the runtime system:</p><ul>
<li>It can be passed as an argument of <a class="el" href="classmxnet_1_1runtime_1_1PackedFunc.html" title="Packed function is a type-erased function. The arguments are passed by packed format. ">PackedFunc</a>.</li>
<li>It can be assigned to <a class="el" href="classmxnet_1_1runtime_1_1MXNetRetValue.html" title="Return Value container, Unlike MXNetArgValue, which only holds reference and do not delete the underl...">MXNetRetValue</a>.</li>
<li>It can be directly converted to a type-erased <a class="el" href="classmxnet_1_1runtime_1_1PackedFunc.html" title="Packed function is a type-erased function. The arguments are passed by packed format. ">PackedFunc</a>.</li>
</ul>
<p>Developers should prefer <a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc.html" title="Please refer to TypedPackedFunc&lt;R(Args..)&gt;. ">TypedPackedFunc</a> over <a class="el" href="classmxnet_1_1runtime_1_1PackedFunc.html" title="Packed function is a type-erased function. The arguments are passed by packed format. ">PackedFunc</a> in C++ code as it enables compile time checking. We can construct a <a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc.html" title="Please refer to TypedPackedFunc&lt;R(Args..)&gt;. ">TypedPackedFunc</a> from a lambda function with the same signature.</p>
<div class="fragment"><div class="line"><span class="comment">// user defined lambda function.</span></div><div class="line"><span class="keyword">auto</span> addone = [](<span class="keywordtype">int</span> x)-&gt;<span class="keywordtype">int</span> {</div><div class="line"> <span class="keywordflow">return</span> x + 1;</div><div class="line">};</div><div class="line"><span class="comment">// We can directly convert</span></div><div class="line"><span class="comment">// lambda function to TypedPackedFunc</span></div><div class="line">TypedPackedFunc&lt;int(int)&gt; ftyped(addone);</div><div class="line"><span class="comment">// invoke the function.</span></div><div class="line"><span class="keywordtype">int</span> y = ftyped(1);</div><div class="line"><span class="comment">// Can be directly converted to PackedFunc</span></div><div class="line">PackedFunc <a class="code" href="classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4.html#ad4bb115d301a105f8cb8f2a4dc1b9728">packed</a> = ftype;</div></div><!-- fragment --> <dl class="tparams"><dt>Template Parameters</dt><dd>
<table class="tparams">
<tr><td class="paramname">R</td><td>The return value of the function. </td></tr>
<tr><td class="paramname">Args</td><td>The argument signature of the function. </td></tr>
</table>
</dd>
</dl>
</div><h2 class="groupheader">Member Typedef Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a670beef00f53ec77196f4a31ea6b49f2">&#9670;&nbsp;</a></span>TSelf</h2>
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template&lt;typename R , typename ... Args&gt; </div>
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<td class="memname">using <a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc.html">mxnet::runtime::TypedPackedFunc</a>&lt; R(Args...)&gt;::<a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4.html#a670beef00f53ec77196f4a31ea6b49f2">TSelf</a> = <a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc.html">TypedPackedFunc</a>&lt;R(Args...)&gt;</td>
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<p>short hand for this function type </p>
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<h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ae599bbe63d6f9288cd7b6daf82c32bca">&#9670;&nbsp;</a></span>TypedPackedFunc() <span class="overload">[1/6]</span></h2>
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<td class="memname"><a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc.html">mxnet::runtime::TypedPackedFunc</a>&lt; R(Args...)&gt;::<a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc.html">TypedPackedFunc</a> </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
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<p>default constructor </p>
</div>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a46c9d55bc9c1d057b75b5b4951773e7c">&#9670;&nbsp;</a></span>TypedPackedFunc() <span class="overload">[2/6]</span></h2>
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<td class="memname"><a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc.html">mxnet::runtime::TypedPackedFunc</a>&lt; R(Args...)&gt;::<a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc.html">TypedPackedFunc</a> </td>
<td>(</td>
<td class="paramtype">std::nullptr_t&#160;</td>
<td class="paramname"><em>null</em></td><td>)</td>
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<p>constructor from null </p>
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<h2 class="memtitle"><span class="permalink"><a href="#affc78c30f11be945648c41b3172aae14">&#9670;&nbsp;</a></span>TypedPackedFunc() <span class="overload">[3/6]</span></h2>
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<td class="memname"><a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc.html">mxnet::runtime::TypedPackedFunc</a>&lt; R(Args...)&gt;::<a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc.html">TypedPackedFunc</a> </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classmxnet_1_1runtime_1_1PackedFunc.html">PackedFunc</a>&#160;</td>
<td class="paramname"><em>packed</em></td><td>)</td>
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<p>construct by wrap a <a class="el" href="classmxnet_1_1runtime_1_1PackedFunc.html" title="Packed function is a type-erased function. The arguments are passed by packed format. ">PackedFunc</a> </p>
<p>Example usage: </p><div class="fragment"><div class="line">PackedFunc <a class="code" href="classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4.html#ad4bb115d301a105f8cb8f2a4dc1b9728">packed</a>([](MXNetArgs args, <a class="code" href="classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4.html#a82aa089816e7ff294eecf5c1bc1165cf">MXNetRetValue</a> *rv) {</div><div class="line"> <span class="keywordtype">int</span> x = args[0];</div><div class="line"> *rv = x + 1;</div><div class="line"> });</div><div class="line"><span class="comment">// construct from packed function</span></div><div class="line">TypedPackedFunc&lt;int(int)&gt; ftyped(packed);</div><div class="line"><span class="comment">// call the typed version.</span></div><div class="line">CHECK_EQ(ftyped(1), 2);</div></div><!-- fragment --><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">packed</td><td>The packed function </td></tr>
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</dd>
</dl>
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<h2 class="memtitle"><span class="permalink"><a href="#af4a03ccde96f0fedc93f4286cd586a25">&#9670;&nbsp;</a></span>TypedPackedFunc() <span class="overload">[4/6]</span></h2>
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<td>(</td>
<td class="paramtype">const <a class="el" href="classmxnet_1_1runtime_1_1MXNetRetValue.html">MXNetRetValue</a> &amp;&#160;</td>
<td class="paramname"><em>value</em></td><td>)</td>
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<p>constructor from <a class="el" href="classmxnet_1_1runtime_1_1MXNetRetValue.html" title="Return Value container, Unlike MXNetArgValue, which only holds reference and do not delete the underl...">MXNetRetValue</a> </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">value</td><td>The <a class="el" href="classmxnet_1_1runtime_1_1MXNetRetValue.html" title="Return Value container, Unlike MXNetArgValue, which only holds reference and do not delete the underl...">MXNetRetValue</a> </td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#aecb1c7be192f44b14f1702fd0e9537d2">&#9670;&nbsp;</a></span>TypedPackedFunc() <span class="overload">[5/6]</span></h2>
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<td>(</td>
<td class="paramtype">const <a class="el" href="classmxnet_1_1runtime_1_1MXNetArgValue.html">MXNetArgValue</a> &amp;&#160;</td>
<td class="paramname"><em>value</em></td><td>)</td>
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<p>constructor from <a class="el" href="classmxnet_1_1runtime_1_1MXNetArgValue.html" title="A single argument value to PackedFunc. Containing both type_code and MXNetValue. ">MXNetArgValue</a> </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">value</td><td>The <a class="el" href="classmxnet_1_1runtime_1_1MXNetArgValue.html" title="A single argument value to PackedFunc. Containing both type_code and MXNetValue. ">MXNetArgValue</a> </td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#af8267efba1a75c5b70ef1abefac919e7">&#9670;&nbsp;</a></span>TypedPackedFunc() <span class="overload">[6/6]</span></h2>
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template&lt;typename FLambda , typename = typename std::enable_if&lt; std::is_convertible&lt;FLambda, std::function&lt;R(Args...)&gt; &gt;::value&gt;::type&gt; </div>
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<td class="memname"><a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc.html">mxnet::runtime::TypedPackedFunc</a>&lt; R(Args...)&gt;::<a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc.html">TypedPackedFunc</a> </td>
<td>(</td>
<td class="paramtype">const FLambda &amp;&#160;</td>
<td class="paramname"><em>typed_lambda</em></td><td>)</td>
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<p>construct from a lambda function with the same signature. </p>
<p>Example usage: </p><div class="fragment"><div class="line"><span class="keyword">auto</span> typed_lambda = [](<span class="keywordtype">int</span> x)-&gt;<span class="keywordtype">int</span> { <span class="keywordflow">return</span> x + 1; }</div><div class="line"><span class="comment">// construct from packed function</span></div><div class="line">TypedPackedFunc&lt;int(int)&gt; ftyped(typed_lambda);</div><div class="line"><span class="comment">// call the typed version.</span></div><div class="line">CHECK_EQ(ftyped(1), 2);</div></div><!-- fragment --><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">typed_lambda</td><td>typed lambda function. </td></tr>
</table>
</dd>
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<dl class="tparams"><dt>Template Parameters</dt><dd>
<table class="tparams">
<tr><td class="paramname">FLambda</td><td>the type of the lambda function. </td></tr>
</table>
</dd>
</dl>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ac1475acbfa941e29a91a4438fc7d6ebd">&#9670;&nbsp;</a></span>AssignTypedLambda()</h2>
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<td class="memname">void <a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc.html">mxnet::runtime::TypedPackedFunc</a>&lt; R(Args...)&gt;::AssignTypedLambda </td>
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<h2 class="memtitle"><span class="permalink"><a href="#afa075f49f7191e8d7b7b536cf1d8c34a">&#9670;&nbsp;</a></span>operator PackedFunc()</h2>
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<td class="memname"><a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc.html">mxnet::runtime::TypedPackedFunc</a>&lt; R(Args...)&gt;::operator <a class="el" href="classmxnet_1_1runtime_1_1PackedFunc.html">PackedFunc</a> </td>
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<p>convert to <a class="el" href="classmxnet_1_1runtime_1_1PackedFunc.html" title="Packed function is a type-erased function. The arguments are passed by packed format. ">PackedFunc</a> </p>
<dl class="section return"><dt>Returns</dt><dd>the internal <a class="el" href="classmxnet_1_1runtime_1_1PackedFunc.html" title="Packed function is a type-erased function. The arguments are passed by packed format. ">PackedFunc</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#afa9590c5ba8312d084cd8e48fffa0341">&#9670;&nbsp;</a></span>operator!=()</h2>
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<td class="memname">bool <a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc.html">mxnet::runtime::TypedPackedFunc</a>&lt; R(Args...)&gt;::operator!= </td>
<td>(</td>
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<td class="paramname"><em>null</em></td><td>)</td>
<td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>Whether the packed function is not nullptr </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#adfbe345cb764f228c4bfb40c1d221051">&#9670;&nbsp;</a></span>operator()()</h2>
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<td class="memname">R <a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc.html">mxnet::runtime::TypedPackedFunc</a>&lt; R(Args...)&gt;::operator() </td>
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<p>Invoke the operator. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">args</td><td>The arguments </td></tr>
</table>
</dd>
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<dl class="section return"><dt>Returns</dt><dd>The return value. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a189f236d52cfdac239f6e95aea5afdcb">&#9670;&nbsp;</a></span>operator=() <span class="overload">[1/2]</span></h2>
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template&lt;typename R , typename ... Args&gt; </div>
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template&lt;typename FLambda , typename = typename std::enable_if&lt; std::is_convertible&lt;FLambda, std::function&lt;R(Args...)&gt; &gt;::value&gt;::type&gt; </div>
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<td class="memname"><a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4.html#a670beef00f53ec77196f4a31ea6b49f2">TSelf</a>&amp; <a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc.html">mxnet::runtime::TypedPackedFunc</a>&lt; R(Args...)&gt;::operator= </td>
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<p>copy assignment operator from typed lambda </p>
<p>Example usage: </p><div class="fragment"><div class="line"><span class="comment">// construct from packed function</span></div><div class="line">TypedPackedFunc&lt;int(int)&gt; ftyped;</div><div class="line">ftyped = [](<span class="keywordtype">int</span> x) { <span class="keywordflow">return</span> x + 1; }</div><div class="line"><span class="comment">// call the typed version.</span></div><div class="line">CHECK_EQ(ftyped(1), 2);</div></div><!-- fragment --><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">typed_lambda</td><td>typed lambda function. </td></tr>
</table>
</dd>
</dl>
<dl class="tparams"><dt>Template Parameters</dt><dd>
<table class="tparams">
<tr><td class="paramname">FLambda</td><td>the type of the lambda function. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>reference to self. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a4eaefea11c422aeac16772e34e64e89b">&#9670;&nbsp;</a></span>operator=() <span class="overload">[2/2]</span></h2>
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<td class="memname"><a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc_3_01R_07Args_8_8_8_08_4.html#a670beef00f53ec77196f4a31ea6b49f2">TSelf</a>&amp; <a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc.html">mxnet::runtime::TypedPackedFunc</a>&lt; R(Args...)&gt;::operator= </td>
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<p>copy assignment operator from <a class="el" href="classmxnet_1_1runtime_1_1PackedFunc.html" title="Packed function is a type-erased function. The arguments are passed by packed format. ">PackedFunc</a>. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">packed</td><td>The packed function. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>reference to self. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a1d2760f354a0549b13d2fdf22478c3bb">&#9670;&nbsp;</a></span>operator==()</h2>
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<td class="memname">bool <a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc.html">mxnet::runtime::TypedPackedFunc</a>&lt; R(Args...)&gt;::operator== </td>
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<dl class="section return"><dt>Returns</dt><dd>Whether the packed function is nullptr </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ad4bb115d301a105f8cb8f2a4dc1b9728">&#9670;&nbsp;</a></span>packed()</h2>
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<td class="memname">const <a class="el" href="classmxnet_1_1runtime_1_1PackedFunc.html">PackedFunc</a>&amp; <a class="el" href="classmxnet_1_1runtime_1_1TypedPackedFunc.html">mxnet::runtime::TypedPackedFunc</a>&lt; R(Args...)&gt;::packed </td>
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<dl class="section return"><dt>Returns</dt><dd>reference the internal <a class="el" href="classmxnet_1_1runtime_1_1PackedFunc.html" title="Packed function is a type-erased function. The arguments are passed by packed format. ">PackedFunc</a> </dd></dl>
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<h2 class="groupheader">Friends And Related Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a82aa089816e7ff294eecf5c1bc1165cf">&#9670;&nbsp;</a></span>MXNetRetValue</h2>
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<td class="memname">friend class <a class="el" href="classmxnet_1_1runtime_1_1MXNetRetValue.html">MXNetRetValue</a></td>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li>/work/mxnet/include/mxnet/runtime/<a class="el" href="packed__func_8h_source.html">packed_func.h</a></li>
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