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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 NumberFloatType = double, template&lt; typename U &gt; class AllocatorType = std::allocator&gt; </div>
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template&lt;class CompatibleStringType , typename std::enable_if&lt; std::is_constructible&lt; string_t, CompatibleStringType &gt;::value, int &gt;::type = 0&gt; </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 class="paramname"><em>value</em></td><td>)</td>
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<p>Create a string JSON value with a given content.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">value</td><td>a value for the string</td></tr>
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<dl class="tparams"><dt>Template Parameters</dt><dd>
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<tr><td class="paramname">CompatibleStringType</td><td>an string type which is compatible to <a class="el" href="classnlohmann_1_1basic__json_ace8338e57fdb11e1955c2a0c2d782069.html#ace8338e57fdb11e1955c2a0c2d782069">string_t</a></td></tr>
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<dl class="section user"><dt>Complexity</dt><dd>Linear in the size of the passed <em>value</em>.</dd></dl>
<dl class="exception"><dt>Exceptions</dt><dd>
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<tr><td class="paramname">std::bad_alloc</td><td>if allocation for string value fails (thrown by the constructor of <a class="el" href="unionnlohmann_1_1basic__json_1_1json__value.html">json_value</a>)</td></tr>
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<dl class="section user"><dt>Example</dt><dd>The following code shows the construction of a string value from a compatible type. <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 namespace </span><a class="code" href="namespacenlohmann.html">nlohmann</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 a string value</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160; std::string s = <span class="stringliteral">&quot;The quick brown fox jumps over the lazy dog.&quot;</span>;</div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;</div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160; <span class="comment">// create a JSON string value</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160; <a class="code" href="classnlohmann_1_1basic__json.html">json</a> j = s;</div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;</div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160; <span class="comment">// serialize the JSON string</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160; std::cout &lt;&lt; j &lt;&lt; <span class="charliteral">&#39;\n&#39;</span>;</div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;}</div>
<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>
<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>
</div><!-- fragment --> Output: <pre class="fragment">"The quick brown fox jumps over the lazy dog."
</pre> The example code above can be translated with<pre class="fragment">g++ -std=c++11 -Isrc doc/examples/basic_json__CompatibleStringType.cpp -o basic_json__CompatibleStringType </pre>.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classnlohmann_1_1basic__json_a15e468968cd4d0e4fd566044d66ada24.html#a15e468968cd4d0e4fd566044d66ada24" title="create a string (explicit) ">basic_json(const string_t&amp;)</a> </dd></dl>
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