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466 lines
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<div id="projectname">EnTT
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 <span id="projectnumber">3.5.2</span>
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<li class="navelem"><a class="el" href="namespaceentt.html">entt</a></li><li class="navelem"><a class="el" href="structentt_1_1meta__ctor.html">meta_ctor</a></li> </ul>
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<a href="#pub-types">Public Types</a> |
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<a href="structentt_1_1meta__ctor-members.html">List of all members</a> </div>
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<div class="headertitle">
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<div class="title">entt::meta_ctor Struct Reference</div> </div>
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<div class="contents">
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<p>Opaque wrapper for meta constructors.
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<a href="structentt_1_1meta__ctor.html#details">More...</a></p>
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<p><code>#include <<a class="el" href="meta_8hpp_source.html">meta.hpp</a>></code></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
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Public Types</h2></td></tr>
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<tr class="memitem:a6a3c2ed04bac33a7f937812dbe6f7663"><td class="memItemLeft" align="right" valign="top"><a id="a6a3c2ed04bac33a7f937812dbe6f7663"></a>
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using </td><td class="memItemRight" valign="bottom"><a class="el" href="structentt_1_1meta__ctor.html#a6a3c2ed04bac33a7f937812dbe6f7663">node_type</a> = internal::meta_ctor_node</td></tr>
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<tr class="memdesc:a6a3c2ed04bac33a7f937812dbe6f7663"><td class="mdescLeft"> </td><td class="mdescRight">Node type. <br /></td></tr>
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<tr class="memitem:a528fb5d47f52feb9917fac849b24026d"><td class="memItemLeft" align="right" valign="top"><a id="a528fb5d47f52feb9917fac849b24026d"></a>
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using </td><td class="memItemRight" valign="bottom"><a class="el" href="structentt_1_1meta__ctor.html#a528fb5d47f52feb9917fac849b24026d">size_type</a> = typename node_type::size_type</td></tr>
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<tr class="memdesc:a528fb5d47f52feb9917fac849b24026d"><td class="mdescLeft"> </td><td class="mdescRight">Unsigned integer type. <br /></td></tr>
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<tr class="separator:a528fb5d47f52feb9917fac849b24026d"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:a081005948b28ff97d7ae2244c2caf61a"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="structentt_1_1meta__ctor.html#a081005948b28ff97d7ae2244c2caf61a">meta_ctor</a> (const <a class="el" href="structentt_1_1meta__ctor.html#a6a3c2ed04bac33a7f937812dbe6f7663">node_type</a> *curr=nullptr) noexcept</td></tr>
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<tr class="memdesc:a081005948b28ff97d7ae2244c2caf61a"><td class="mdescLeft"> </td><td class="mdescRight">Constructs an instance from a given node. <a href="structentt_1_1meta__ctor.html#a081005948b28ff97d7ae2244c2caf61a">More...</a><br /></td></tr>
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<tr class="separator:a081005948b28ff97d7ae2244c2caf61a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ab7e6361d1bdb3e08f3291f9ac4459e26"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classentt_1_1meta__type.html">meta_type</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structentt_1_1meta__ctor.html#ab7e6361d1bdb3e08f3291f9ac4459e26">parent</a> () const noexcept</td></tr>
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<tr class="memdesc:ab7e6361d1bdb3e08f3291f9ac4459e26"><td class="mdescLeft"> </td><td class="mdescRight">Returns the meta type to which a meta object belongs. <a href="structentt_1_1meta__ctor.html#ab7e6361d1bdb3e08f3291f9ac4459e26">More...</a><br /></td></tr>
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<tr class="separator:ab7e6361d1bdb3e08f3291f9ac4459e26"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a7479fab2d65164a188a70b227dab48b9"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structentt_1_1meta__ctor.html#a528fb5d47f52feb9917fac849b24026d">size_type</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structentt_1_1meta__ctor.html#a7479fab2d65164a188a70b227dab48b9">size</a> () const noexcept</td></tr>
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<tr class="memdesc:a7479fab2d65164a188a70b227dab48b9"><td class="mdescLeft"> </td><td class="mdescRight">Returns the number of arguments accepted by a meta constructor. <a href="structentt_1_1meta__ctor.html#a7479fab2d65164a188a70b227dab48b9">More...</a><br /></td></tr>
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<tr class="separator:a7479fab2d65164a188a70b227dab48b9"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a14c719cf290329ce5e96efff296a6286"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classentt_1_1meta__type.html">meta_type</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structentt_1_1meta__ctor.html#a14c719cf290329ce5e96efff296a6286">arg</a> (<a class="el" href="structentt_1_1meta__ctor.html#a528fb5d47f52feb9917fac849b24026d">size_type</a> index) const noexcept</td></tr>
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<tr class="memdesc:a14c719cf290329ce5e96efff296a6286"><td class="mdescLeft"> </td><td class="mdescRight">Returns the meta type of the i-th argument of a meta constructor. <a href="structentt_1_1meta__ctor.html#a14c719cf290329ce5e96efff296a6286">More...</a><br /></td></tr>
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<tr class="separator:a14c719cf290329ce5e96efff296a6286"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aaabf7e793adaf4c99562473765065c52"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classentt_1_1meta__any.html">meta_any</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structentt_1_1meta__ctor.html#aaabf7e793adaf4c99562473765065c52">invoke</a> (<a class="el" href="classentt_1_1meta__any.html">meta_any</a> *const args, const std::size_t sz) const</td></tr>
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<tr class="memdesc:aaabf7e793adaf4c99562473765065c52"><td class="mdescLeft"> </td><td class="mdescRight">Creates an instance of the underlying type, if possible. <a href="structentt_1_1meta__ctor.html#aaabf7e793adaf4c99562473765065c52">More...</a><br /></td></tr>
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<tr class="separator:aaabf7e793adaf4c99562473765065c52"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a50f0c00cb8eb1166d5a5ee727e95f6fa"><td class="memTemplParams" colspan="2">template<typename... Args> </td></tr>
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<tr class="memitem:a50f0c00cb8eb1166d5a5ee727e95f6fa"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="classentt_1_1meta__any.html">meta_any</a> </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structentt_1_1meta__ctor.html#a50f0c00cb8eb1166d5a5ee727e95f6fa">invoke</a> ([[maybe_unused]] Args &&... args) const</td></tr>
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<tr class="memdesc:a50f0c00cb8eb1166d5a5ee727e95f6fa"><td class="mdescLeft"> </td><td class="mdescRight">Creates an instance of the underlying type, if possible. <a href="structentt_1_1meta__ctor.html#a50f0c00cb8eb1166d5a5ee727e95f6fa">More...</a><br /></td></tr>
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<tr class="separator:a50f0c00cb8eb1166d5a5ee727e95f6fa"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ad062f771357f8e1028e92e33fcaf43d9"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classentt_1_1meta__range.html">meta_range</a>< <a class="el" href="structentt_1_1meta__prop.html">meta_prop</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="structentt_1_1meta__ctor.html#ad062f771357f8e1028e92e33fcaf43d9">prop</a> () const noexcept</td></tr>
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<tr class="memdesc:ad062f771357f8e1028e92e33fcaf43d9"><td class="mdescLeft"> </td><td class="mdescRight">Returns a range to use to visit all meta properties. <a href="structentt_1_1meta__ctor.html#ad062f771357f8e1028e92e33fcaf43d9">More...</a><br /></td></tr>
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<tr class="separator:ad062f771357f8e1028e92e33fcaf43d9"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ae2866b2417b5edd00a5a5eb1c2722de2"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structentt_1_1meta__prop.html">meta_prop</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structentt_1_1meta__ctor.html#ae2866b2417b5edd00a5a5eb1c2722de2">prop</a> (<a class="el" href="classentt_1_1meta__any.html">meta_any</a> key) const</td></tr>
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<tr class="memdesc:ae2866b2417b5edd00a5a5eb1c2722de2"><td class="mdescLeft"> </td><td class="mdescRight">Returns the property associated with a given key. <a href="structentt_1_1meta__ctor.html#ae2866b2417b5edd00a5a5eb1c2722de2">More...</a><br /></td></tr>
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<tr class="separator:ae2866b2417b5edd00a5a5eb1c2722de2"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a96d07320eeb1bd3df62501a2d0d26fef"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="structentt_1_1meta__ctor.html#a96d07320eeb1bd3df62501a2d0d26fef">operator bool</a> () const noexcept</td></tr>
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<tr class="memdesc:a96d07320eeb1bd3df62501a2d0d26fef"><td class="mdescLeft"> </td><td class="mdescRight">Returns true if a meta object is valid, false otherwise. <a href="structentt_1_1meta__ctor.html#a96d07320eeb1bd3df62501a2d0d26fef">More...</a><br /></td></tr>
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<tr class="separator:a96d07320eeb1bd3df62501a2d0d26fef"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>Opaque wrapper for meta constructors. </p>
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<p class="definition">Definition at line <a class="el" href="meta_8hpp_source.html#l00698">698</a> of file <a class="el" href="meta_8hpp_source.html">meta.hpp</a>.</p>
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</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<a id="a081005948b28ff97d7ae2244c2caf61a"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a081005948b28ff97d7ae2244c2caf61a">◆ </a></span>meta_ctor()</h2>
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<td class="memname">entt::meta_ctor::meta_ctor </td>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="structentt_1_1meta__ctor.html#a6a3c2ed04bac33a7f937812dbe6f7663">node_type</a> * </td>
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<td class="paramname"><em>curr</em> = <code>nullptr</code></td><td>)</td>
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<td></td>
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">noexcept</span></span> </td>
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<p>Constructs an instance from a given node. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">curr</td><td>The underlying node with which to construct the instance. </td></tr>
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<p class="definition">Definition at line <a class="el" href="meta_8hpp_source.html#l00705">705</a> of file <a class="el" href="meta_8hpp_source.html">meta.hpp</a>.</p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<a id="a14c719cf290329ce5e96efff296a6286"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a14c719cf290329ce5e96efff296a6286">◆ </a></span>arg()</h2>
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<td class="memname"><a class="el" href="classentt_1_1meta__type.html">meta_type</a> entt::meta_ctor::arg </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="structentt_1_1meta__ctor.html#a528fb5d47f52feb9917fac849b24026d">size_type</a> </td>
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<td class="paramname"><em>index</em></td><td>)</td>
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<td> const</td>
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">noexcept</span></span> </td>
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<p>Returns the meta type of the i-th argument of a meta constructor. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">index</td><td>The index of the argument of which to return the meta type. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>The meta type of the i-th argument of a meta constructor, if any. </dd></dl>
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<p class="definition">Definition at line <a class="el" href="meta_8hpp_source.html#l01566">1566</a> of file <a class="el" href="meta_8hpp_source.html">meta.hpp</a>.</p>
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<a id="a50f0c00cb8eb1166d5a5ee727e95f6fa"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a50f0c00cb8eb1166d5a5ee727e95f6fa">◆ </a></span>invoke() <span class="overload">[1/2]</span></h2>
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template<typename... Args> </div>
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<td class="memname"><a class="el" href="classentt_1_1meta__any.html">meta_any</a> entt::meta_ctor::invoke </td>
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<td>(</td>
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<td class="paramtype">[[maybe_unused] ] Args &&... </td>
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<td class="paramname"><em>args</em></td><td>)</td>
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<td> const</td>
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<p>Creates an instance of the underlying type, if possible. </p>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="structentt_1_1meta__ctor.html#aaabf7e793adaf4c99562473765065c52" title="Creates an instance of the underlying type, if possible.">invoke</a></dd></dl>
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<dl class="tparams"><dt>Template Parameters</dt><dd>
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<tr><td class="paramname">Args</td><td>Types of arguments to use to construct the instance. </td></tr>
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</dl>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">args</td><td>Parameters to use to construct the instance. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>A meta any containing the new instance, if any. </dd></dl>
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<p class="definition">Definition at line <a class="el" href="meta_8hpp_source.html#l00752">752</a> of file <a class="el" href="meta_8hpp_source.html">meta.hpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aaabf7e793adaf4c99562473765065c52">◆ </a></span>invoke() <span class="overload">[2/2]</span></h2>
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<td class="memname"><a class="el" href="classentt_1_1meta__any.html">meta_any</a> entt::meta_ctor::invoke </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="classentt_1_1meta__any.html">meta_any</a> *const </td>
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<td class="paramname"><em>args</em>, </td>
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<p>Creates an instance of the underlying type, if possible. </p>
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<p>To create a valid instance, the parameters must be such that a cast or conversion to the required types is possible. Otherwise, an empty and thus invalid wrapper is returned.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">args</td><td>Parameters to use to construct the instance. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>A meta any containing the new instance, if any. </dd></dl>
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<p class="definition">Definition at line <a class="el" href="meta_8hpp_source.html#l00738">738</a> of file <a class="el" href="meta_8hpp_source.html">meta.hpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a96d07320eeb1bd3df62501a2d0d26fef">◆ </a></span>operator bool()</h2>
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<p>Returns true if a meta object is valid, false otherwise. </p>
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<dl class="section return"><dt>Returns</dt><dd>True if the meta object is valid, false otherwise. </dd></dl>
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<p class="definition">Definition at line <a class="el" href="meta_8hpp_source.html#l00779">779</a> of file <a class="el" href="meta_8hpp_source.html">meta.hpp</a>.</p>
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<p>Returns the meta type to which a meta object belongs. </p>
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<dl class="section return"><dt>Returns</dt><dd>The meta type to which the meta object belongs. </dd></dl>
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<p class="definition">Definition at line <a class="el" href="meta_8hpp_source.html#l01561">1561</a> of file <a class="el" href="meta_8hpp_source.html">meta.hpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ad062f771357f8e1028e92e33fcaf43d9">◆ </a></span>prop() <span class="overload">[1/2]</span></h2>
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<td class="memname"><a class="el" href="classentt_1_1meta__range.html">meta_range</a><<a class="el" href="structentt_1_1meta__prop.html">meta_prop</a>> entt::meta_ctor::prop </td>
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<p>Returns a range to use to visit all meta properties. </p>
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<dl class="section return"><dt>Returns</dt><dd>An iterable range to use to visit all meta properties. </dd></dl>
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<p class="definition">Definition at line <a class="el" href="meta_8hpp_source.html#l00761">761</a> of file <a class="el" href="meta_8hpp_source.html">meta.hpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae2866b2417b5edd00a5a5eb1c2722de2">◆ </a></span>prop() <span class="overload">[2/2]</span></h2>
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<p>Returns the property associated with a given key. </p>
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<dl class="section return"><dt>Returns</dt><dd>The property associated with the given key, if any. </dd></dl>
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<p class="definition">Definition at line <a class="el" href="meta_8hpp_source.html#l00770">770</a> of file <a class="el" href="meta_8hpp_source.html">meta.hpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a7479fab2d65164a188a70b227dab48b9">◆ </a></span>size()</h2>
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<p>Returns the number of arguments accepted by a meta constructor. </p>
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<dl class="section return"><dt>Returns</dt><dd>The number of arguments accepted by the meta constructor. </dd></dl>
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<p class="definition">Definition at line <a class="el" href="meta_8hpp_source.html#l00716">716</a> of file <a class="el" href="meta_8hpp_source.html">meta.hpp</a>.</p>
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<hr/>The documentation for this struct was generated from the following file:<ul>
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<li>src/entt/meta/<a class="el" href="meta_8hpp_source.html">meta.hpp</a></li>
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