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template<template< typename U, typename V, typename...Args > class ObjectType = std::map, template< typename U, typename...Args > class ArrayType = std::vector, class StringType = std::string, class BooleanType = bool, class NumberIntegerType = int64_t, class NumberFloatType = double, template< typename U > class AllocatorType = std::allocator> </div>
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<div class="memtemplate">
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template<class InputIT , typename std::enable_if< std::is_same< InputIT, typename __basic_json::iterator >::value orstd::is_same< InputIT, typename __basic_json::const_iterator >::value, int >::type = 0> </div>
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<td class="memname"><a class="el" href="classnlohmann_1_1basic__json.html">nlohmann::basic_json</a>::<a class="el" href="classnlohmann_1_1basic__json.html">basic_json</a> </td>
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<td>(</td>
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<td class="paramtype">InputIT </td>
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<td class="paramname"><em>first</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">InputIT </td>
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<td class="paramname"><em>last</em> </td>
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<tr>
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<td></td>
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<td>)</td>
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</div><div class="memdoc">
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<p>Constructs the JSON value with the contents of the range <code>[first, last)</code>. The semantics depends on the different types a JSON value can have:</p><ul>
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<li>In case of atomic value types (number, boolean, or string), <em>first</em> must be <code><a class="el" href="classnlohmann_1_1basic__json_af4261341695729a8e657b94772f95516.html#af4261341695729a8e657b94772f95516" title="returns an iterator to the first element ">begin()</a></code> and <em>last</em> must be <code><a class="el" href="classnlohmann_1_1basic__json_ad8f84e6fb9bbf9a7bc767962ad0fe3a1.html#ad8f84e6fb9bbf9a7bc767962ad0fe3a1" title="returns an iterator to one past the last element ">end()</a></code>. In this case, the value is copied. Otherwise, std::out_of_range is thrown.</li>
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<li>In case of compound value types (array, object), the constructor behaves as similar versions for <code>std::vector</code>.</li>
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<li>In case of a null value type, std::domain_error is thrown.</li>
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</ul>
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<dl class="tparams"><dt>Template Parameters</dt><dd>
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<table class="tparams">
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<tr><td class="paramname">InputIT</td><td>an input iterator type (<a class="el" href="classnlohmann_1_1basic__json_1_1iterator.html">iterator</a> or <a class="el" href="classnlohmann_1_1basic__json_1_1const__iterator.html">const_iterator</a>)</td></tr>
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</table>
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</dd>
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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="paramdir">[in]</td><td class="paramname">first</td><td>begin of the range to copy from (included) </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">last</td><td>end of the range to copy from (excluded)</td></tr>
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</table>
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</dd>
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</dl>
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<dl class="exception"><dt>Exceptions</dt><dd>
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<table class="exception">
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<tr><td class="paramname">std::domain_error</td><td>if iterators are not compatible; that is, do not belong to the same JSON value </td></tr>
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<tr><td class="paramname">std::out_of_range</td><td>if iterators are for an atomic value type (number, boolean, or string) where an out of range error can be detected easily </td></tr>
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<tr><td class="paramname">std::bad_alloc</td><td>if allocation for object, array, or string fails </td></tr>
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<tr><td class="paramname">std::domain_error</td><td>if called with a null value</td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section user"><dt>Complexity</dt><dd>Linear in distance between <em>first</em> and <em>last</em>.</dd></dl>
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<dl class="section user"><dt>Example</dt><dd>The example below shows several ways to create JSON values by specifying a subrange with iterators. <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#include <json.hpp></span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> </div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="keyword">using namespace </span><a class="code" href="namespacenlohmann.html">nlohmann</a>;</div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> </div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="keywordtype">int</span> main()</div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> {</div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>  <span class="comment">// create JSON values</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>  <a class="code" href="classnlohmann_1_1basic__json.html">json</a> j_array = {<span class="stringliteral">"alpha"</span>, <span class="stringliteral">"bravo"</span>, <span class="stringliteral">"charly"</span>, <span class="stringliteral">"delta"</span>, <span class="stringliteral">"easy"</span>};</div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>  <a class="code" href="classnlohmann_1_1basic__json.html">json</a> j_number = 42;</div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>  <a class="code" href="classnlohmann_1_1basic__json.html">json</a> j_object = {{<span class="stringliteral">"one"</span>, <span class="stringliteral">"eins"</span>}, {<span class="stringliteral">"two"</span>, <span class="stringliteral">"zwei"</span>}};</div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>  <span class="comment">// create copies using iterators</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  <a class="code" href="classnlohmann_1_1basic__json.html">json</a> j_array_range(j_array.<a class="code" href="classnlohmann_1_1basic__json_af4261341695729a8e657b94772f95516.html#af4261341695729a8e657b94772f95516">begin</a>() + 1, j_array.<a class="code" href="classnlohmann_1_1basic__json_ad8f84e6fb9bbf9a7bc767962ad0fe3a1.html#ad8f84e6fb9bbf9a7bc767962ad0fe3a1">end</a>() - 2);</div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  <a class="code" href="classnlohmann_1_1basic__json.html">json</a> j_number_range(j_number.<a class="code" href="classnlohmann_1_1basic__json_af4261341695729a8e657b94772f95516.html#af4261341695729a8e657b94772f95516">begin</a>(), j_number.<a class="code" href="classnlohmann_1_1basic__json_ad8f84e6fb9bbf9a7bc767962ad0fe3a1.html#ad8f84e6fb9bbf9a7bc767962ad0fe3a1">end</a>());</div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  <a class="code" href="classnlohmann_1_1basic__json.html">json</a> j_object_range(j_object.<a class="code" href="classnlohmann_1_1basic__json_af4261341695729a8e657b94772f95516.html#af4261341695729a8e657b94772f95516">begin</a>(), j_object.<a class="code" href="classnlohmann_1_1basic__json_a7dab69b10b98e7bc694339720e37fb2b.html#a7dab69b10b98e7bc694339720e37fb2b">find</a>(<span class="stringliteral">"two"</span>));</div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  <span class="comment">// serialize the values</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  std::cout << j_array_range << <span class="charliteral">'\n'</span>;</div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  std::cout << j_number_range << <span class="charliteral">'\n'</span>;</div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  std::cout << j_object_range << <span class="charliteral">'\n'</span>;</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> }</div>
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<div class="ttc" id="classnlohmann_1_1basic__json_html"><div class="ttname"><a href="classnlohmann_1_1basic__json.html">nlohmann::basic_json</a></div><div class="ttdoc">a class to store JSON values </div><div class="ttdef"><b>Definition:</b> json.hpp:121</div></div>
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<div class="ttc" id="classnlohmann_1_1basic__json_ad8f84e6fb9bbf9a7bc767962ad0fe3a1_html_ad8f84e6fb9bbf9a7bc767962ad0fe3a1"><div class="ttname"><a href="classnlohmann_1_1basic__json_ad8f84e6fb9bbf9a7bc767962ad0fe3a1.html#ad8f84e6fb9bbf9a7bc767962ad0fe3a1">nlohmann::basic_json::end</a></div><div class="ttdeci">iterator end() noexcept</div><div class="ttdoc">returns an iterator to one past the last element </div><div class="ttdef"><b>Definition:</b> json.hpp:2255</div></div>
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<div class="ttc" id="classnlohmann_1_1basic__json_a7dab69b10b98e7bc694339720e37fb2b_html_a7dab69b10b98e7bc694339720e37fb2b"><div class="ttname"><a href="classnlohmann_1_1basic__json_a7dab69b10b98e7bc694339720e37fb2b.html#a7dab69b10b98e7bc694339720e37fb2b">nlohmann::basic_json::find</a></div><div class="ttdeci">iterator find(typename object_t::key_type key)</div><div class="ttdoc">find an element in an object </div><div class="ttdef"><b>Definition:</b> json.hpp:2135</div></div>
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<div class="ttc" id="namespacenlohmann_html"><div class="ttname"><a href="namespacenlohmann.html">nlohmann</a></div><div class="ttdoc">namespace for Niels Lohmann </div><div class="ttdef"><b>Definition:</b> json.hpp:56</div></div>
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<div class="ttc" id="classnlohmann_1_1basic__json_af4261341695729a8e657b94772f95516_html_af4261341695729a8e657b94772f95516"><div class="ttname"><a href="classnlohmann_1_1basic__json_af4261341695729a8e657b94772f95516.html#af4261341695729a8e657b94772f95516">nlohmann::basic_json::begin</a></div><div class="ttdeci">iterator begin() noexcept</div><div class="ttdoc">returns an iterator to the first element </div><div class="ttdef"><b>Definition:</b> json.hpp:2195</div></div>
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</div><!-- fragment --> Output: <pre class="fragment">["bravo","charly"]
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42
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{"one":"eins"}
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</pre> The example code above can be translated with<pre class="fragment">g++ -std=c++11 -Isrc doc/examples/basic_json__InputIt_InputIt.cpp -o basic_json__InputIt_InputIt </pre>. </dd></dl>
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<li class="navelem"><a class="el" href="namespacenlohmann.html">nlohmann</a></li><li class="navelem"><a class="el" href="classnlohmann_1_1basic__json.html">basic_json</a></li>
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<li class="footer">Generated on Mon Jun 22 2015 23:22:00 for JSON for Modern C++ by
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.9.1 </li>
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