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<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_af148cdab12df5bf86119fac735ccaac5.html#af148cdab12df5bf86119fac735ccaac5">iterator_wrapper</a></td></tr>
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<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a74a0013e847fdc574b48f931f0e757e1.html#a74a0013e847fdc574b48f931f0e757e1">number_float_t</a></td></tr>
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<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a60a04166c122072ab11eaf9845d9cd1d.html#a60a04166c122072ab11eaf9845d9cd1d">number_unsigned_t</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_ad25b2f8c21e241e2d63455537a9294ff.html#ad25b2f8c21e241e2d63455537a9294ff">object</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a0ac9894c9de8dc551cf2e5f1c605537f.html#a0ac9894c9de8dc551cf2e5f1c605537f">object_t</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a579c170c06dc73a97f5e4c54d0942616.html#a579c170c06dc73a97f5e4c54d0942616">operator value_t</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_aef496a56163710084e13612ab73e6ed2.html#aef496a56163710084e13612ab73e6ed2">operator ValueType</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a6e2e21da48f5d9471716cd868a068327.html#a6e2e21da48f5d9471716cd868a068327">operator!=</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_ae347859ec88176ef76a0cbe5b4514fcf.html#ae347859ec88176ef76a0cbe5b4514fcf">operator!=</a></td></tr>
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<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a1c1aa2d148a3e4ce0d4e50cf5b894f41.html#a1c1aa2d148a3e4ce0d4e50cf5b894f41">operator+=</a></td></tr>
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<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_aac185a137428a7337aa620de07bfbbd7.html#aac185a137428a7337aa620de07bfbbd7">operator&lt;</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_aacd442b66140c764c594ac8ad7dfd5b3.html#aacd442b66140c764c594ac8ad7dfd5b3">operator&lt;</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a5e34c5435e557d0bf666bd7311211405.html#a5e34c5435e557d0bf666bd7311211405">operator&lt;&lt;</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a60ca396028b8d9714c6e10efbf475af6.html#a60ca396028b8d9714c6e10efbf475af6">operator&lt;&lt;</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a5c8bb5200f5eac10d31e26be46e5b1ac.html#a5c8bb5200f5eac10d31e26be46e5b1ac">operator&lt;=</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a7c3182cfabc0bdd9f3a14216fe0e8154.html#a7c3182cfabc0bdd9f3a14216fe0e8154">operator=</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a122640e7e2db1814fc7bbb3c122ec76e.html#a122640e7e2db1814fc7bbb3c122ec76e">operator==</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a9730b9f7bc2150e641fe20198d4477c7.html#a9730b9f7bc2150e641fe20198d4477c7">operator==</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a98e05a2c9b8f74bd60442772cddeee52.html#a98e05a2c9b8f74bd60442772cddeee52">operator==</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a87db51b6b936fb2ea293cdbc8702dcb8.html#a87db51b6b936fb2ea293cdbc8702dcb8">operator&gt;</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a74a943800c7f103d0990d7eef82c6453.html#a74a943800c7f103d0990d7eef82c6453">operator&gt;=</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a34d6a60dd99e9f33b8273a1c8db5669b.html#a34d6a60dd99e9f33b8273a1c8db5669b">operator&gt;&gt;</a></td></tr>
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<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a92fbb711a36b5ce78ee228b26787c034.html#a92fbb711a36b5ce78ee228b26787c034">operator[]</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a2e26bd0b0168abb61f67ad5bcd5b9fa1.html#a2e26bd0b0168abb61f67ad5bcd5b9fa1">operator[]</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a140b8251f82e99ad279dcad5c977e26b.html#a140b8251f82e99ad279dcad5c977e26b">operator[]</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_ad9cd312208273fb3fb2adf1f6d8d34ae.html#ad9cd312208273fb3fb2adf1f6d8d34ae">operator[]</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_ac7c006e2345a76859c4802db7d130e0e.html#ac7c006e2345a76859c4802db7d130e0e">operator[]</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_aa6fd72df1ce9f80e61012784c598456e.html#aa6fd72df1ce9f80e61012784c598456e">operator[]</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a35303ad045a06c2a79dc28ac29652e86.html#a35303ad045a06c2a79dc28ac29652e86">parse</a></td></tr>
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<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a486b96adbf4886c38e38c952394a220f.html#a486b96adbf4886c38e38c952394a220f">push_back</a></td></tr>
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<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a0a60ef55808edb545f4f46e49656d035.html#a0a60ef55808edb545f4f46e49656d035">rend</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a2f1f83aa187a56dc5ec7a7027065ac8a.html#a2f1f83aa187a56dc5ec7a7027065ac8a">reverse_iterator</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a01833b332b68d9af1f7cd7a816c39e49.html#a01833b332b68d9af1f7cd7a816c39e49">size</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a1579a8f72a230358d6cd1a6e8a62859b.html#a1579a8f72a230358d6cd1a6e8a62859b">size_type</a></td></tr>
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<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a38ee0f09a318d003add75e0787040794.html#a38ee0f09a318d003add75e0787040794">swap</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a86089c703a2e563b9f760c2f8408efa7.html#a86089c703a2e563b9f760c2f8408efa7">swap</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_ad09218e192a80ffa8df531941afdab60.html#ad09218e192a80ffa8df531941afdab60">type</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a0a2cbbd95862a623e7dc5c37e67dead0.html#a0a2cbbd95862a623e7dc5c37e67dead0">value</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_af071057ebab57744f5767eb369e99d42.html#af071057ebab57744f5767eb369e99d42">value</a></td></tr>
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template&lt;template&lt; typename U, typename V, typename...Args &gt; class ObjectType = std::map, template&lt; typename U, typename...Args &gt; class ArrayType = std::vector, class StringType = std::string, class BooleanType = bool, class NumberIntegerType = int64_t, class NumberUnsignedType = uint64_t, class NumberFloatType = double, template&lt; typename U &gt; class AllocatorType = std::allocator&gt; </div>
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<td class="memname">bool <a class="el" href="classnlohmann_1_1basic__json.html">nlohmann::basic_json</a>::is_structured </td>
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<p>This function returns true iff the JSON type is structured (array or object).</p>
<dl class="section return"><dt>Returns</dt><dd><code>true</code> if type is structured (array or object), <code>false</code> otherwise.</dd></dl>
<dl class="section user"><dt>Complexity</dt><dd>Constant.</dd></dl>
<dl class="section user"><dt>Example</dt><dd>The following code exemplifies <code>is_structured()</code> for all JSON types. <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="preprocessor">#include &lt;json.hpp&gt;</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;</div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="keyword">using</span> <a class="code" href="namespacenlohmann_a2bfd99e845a2e5cd90aeaf1b1431f474.html#a2bfd99e845a2e5cd90aeaf1b1431f474">json</a> = <a class="code" href="namespacenlohmann_a2bfd99e845a2e5cd90aeaf1b1431f474.html#a2bfd99e845a2e5cd90aeaf1b1431f474">nlohmann::json</a>;</div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;</div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="keywordtype">int</span> main()</div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;{</div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160; <span class="comment">// create JSON values</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160; <a class="code" href="namespacenlohmann_a2bfd99e845a2e5cd90aeaf1b1431f474.html#a2bfd99e845a2e5cd90aeaf1b1431f474">json</a> j_null;</div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160; <a class="code" href="namespacenlohmann_a2bfd99e845a2e5cd90aeaf1b1431f474.html#a2bfd99e845a2e5cd90aeaf1b1431f474">json</a> j_boolean = <span class="keyword">true</span>;</div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160; <a class="code" href="namespacenlohmann_a2bfd99e845a2e5cd90aeaf1b1431f474.html#a2bfd99e845a2e5cd90aeaf1b1431f474">json</a> j_number_integer = 17;</div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160; <a class="code" href="namespacenlohmann_a2bfd99e845a2e5cd90aeaf1b1431f474.html#a2bfd99e845a2e5cd90aeaf1b1431f474">json</a> j_number_float = 23.42;</div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160; <a class="code" href="namespacenlohmann_a2bfd99e845a2e5cd90aeaf1b1431f474.html#a2bfd99e845a2e5cd90aeaf1b1431f474">json</a> j_number_unsigned_integer = 12345678987654321u;</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160; <a class="code" href="namespacenlohmann_a2bfd99e845a2e5cd90aeaf1b1431f474.html#a2bfd99e845a2e5cd90aeaf1b1431f474">json</a> j_object = {{<span class="stringliteral">&quot;one&quot;</span>, 1}, {<span class="stringliteral">&quot;two&quot;</span>, 2}};</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160; <a class="code" href="namespacenlohmann_a2bfd99e845a2e5cd90aeaf1b1431f474.html#a2bfd99e845a2e5cd90aeaf1b1431f474">json</a> j_array = {1, 2, 4, 8, 16};</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160; <a class="code" href="namespacenlohmann_a2bfd99e845a2e5cd90aeaf1b1431f474.html#a2bfd99e845a2e5cd90aeaf1b1431f474">json</a> j_string = <span class="stringliteral">&quot;Hello, world&quot;</span>;</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160; <span class="comment">// call is_structured()</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160; std::cout &lt;&lt; std::boolalpha;</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; std::cout &lt;&lt; j_null.is_structured() &lt;&lt; <span class="charliteral">&#39;\n&#39;</span>;</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160; std::cout &lt;&lt; j_boolean.is_structured() &lt;&lt; <span class="charliteral">&#39;\n&#39;</span>;</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160; std::cout &lt;&lt; j_number_integer.is_structured() &lt;&lt; <span class="charliteral">&#39;\n&#39;</span>;</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160; std::cout &lt;&lt; j_number_unsigned_integer.is_structured() &lt;&lt; <span class="charliteral">&#39;\n&#39;</span>;</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160; std::cout &lt;&lt; j_number_float.is_structured() &lt;&lt; <span class="charliteral">&#39;\n&#39;</span>;</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160; std::cout &lt;&lt; j_object.is_structured() &lt;&lt; <span class="charliteral">&#39;\n&#39;</span>;</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; std::cout &lt;&lt; j_array.is_structured() &lt;&lt; <span class="charliteral">&#39;\n&#39;</span>;</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; std::cout &lt;&lt; j_string.is_structured() &lt;&lt; <span class="charliteral">&#39;\n&#39;</span>;</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;}</div><div class="ttc" id="namespacenlohmann_a2bfd99e845a2e5cd90aeaf1b1431f474_html_a2bfd99e845a2e5cd90aeaf1b1431f474"><div class="ttname"><a href="namespacenlohmann_a2bfd99e845a2e5cd90aeaf1b1431f474.html#a2bfd99e845a2e5cd90aeaf1b1431f474">nlohmann::json</a></div><div class="ttdeci">basic_json&lt;&gt; json</div><div class="ttdoc">default JSON class </div><div class="ttdef"><b>Definition:</b> <a href="json_8hpp_source.html#l08622">json.hpp:8622</a></div></div>
</div><!-- fragment --> Output (play with this example <a target="_blank" href="http://melpon.org/wandbox/permlink/QH2PmyggbFbaA8Dg"><b>online</b></a>): <pre class="fragment">false
false
false
false
false
true
true
false
</pre> The example code above can be translated with<pre class="fragment">g++ -std=c++11 -Isrc doc/examples/is_structured.cpp -o is_structured </pre></dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classnlohmann_1_1basic__json_ab856bebfdfbcf45061f1474ea8ba9924.html#ab856bebfdfbcf45061f1474ea8ba9924">is_primitive()</a> &ndash; returns whether value is primitive </dd>
<dd>
<a class="el" href="classnlohmann_1_1basic__json_a73619da32d2a1388f5c7b37f2032138f.html#a73619da32d2a1388f5c7b37f2032138f">is_array()</a> &ndash; returns whether value is an array </dd>
<dd>
<a class="el" href="classnlohmann_1_1basic__json_a8969119432218155193bb1dac30aa4ff.html#a8969119432218155193bb1dac30aa4ff">is_object()</a> &ndash; returns whether value is an object</dd></dl>
<dl class="section since"><dt>Since</dt><dd>version 1.0.0 </dd></dl>
<p>Definition at line <a class="el" href="json_8hpp_source.html#l02150">2150</a> of file <a class="el" href="json_8hpp_source.html">json.hpp</a>.</p>
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