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<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a87499fdb56ca6f0df2242c3335c3dc9b.html#a87499fdb56ca6f0df2242c3335c3dc9b">is_number_integer</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a693b411d9c5ad0d168a0013cfb80b8e5.html#a693b411d9c5ad0d168a0013cfb80b8e5">is_number_unsigned</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a0d96ff13001977a93d65f0a97279d316.html#a0d96ff13001977a93d65f0a97279d316">is_object</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a7c774ef0eceff6d06095f617e2dbd488.html#a7c774ef0eceff6d06095f617e2dbd488">is_primitive</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_ab22c8d61eca51f0308c263487bd35f03.html#ab22c8d61eca51f0308c263487bd35f03">is_string</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a558b345044c38a9f6ad522592cc700c8.html#a558b345044c38a9f6ad522592cc700c8">is_structured</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_ab936779c70bec68343ef440ed13251e5.html#ab936779c70bec68343ef440ed13251e5">iterator_wrapper</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_af148cdab12df5bf86119fac735ccaac5.html#af148cdab12df5bf86119fac735ccaac5">iterator_wrapper</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_ad5514a7435f246fc5335856465022a7a.html#ad5514a7435f246fc5335856465022a7a">max_size</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a74a0013e847fdc574b48f931f0e757e1.html#a74a0013e847fdc574b48f931f0e757e1">number_float_t</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_ac4b10b2364f26ce47bdb9a413ff04a59.html#ac4b10b2364f26ce47bdb9a413ff04a59">number_integer_t</a></td></tr>
<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_a101cd941eb8a5c299660449c71d0e75e.html#a101cd941eb8a5c299660449c71d0e75e">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>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a7f97a91ad8f1d5cf0b9213bd24f247c4.html#a7f97a91ad8f1d5cf0b9213bd24f247c4">operator!=</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a1c1aa2d148a3e4ce0d4e50cf5b894f41.html#a1c1aa2d148a3e4ce0d4e50cf5b894f41">operator+=</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a80c21170db6b5ffd9274b3f351cebadc.html#a80c21170db6b5ffd9274b3f351cebadc">operator+=</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a9486a272e034c0548305d7a12f3045e6.html#a9486a272e034c0548305d7a12f3045e6">operator+=</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_aa0033766b4d3134b9bb57d81762d75a2.html#aa0033766b4d3134b9bb57d81762d75a2">operator+=</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a24d7df0b5b41319dbab2713d3641faf7.html#a24d7df0b5b41319dbab2713d3641faf7">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>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_aaf363408931d76472ded14017e59c9e8.html#aaf363408931d76472ded14017e59c9e8">operator&gt;&gt;</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a59732a1de287a7301cca19a7a7748159.html#a59732a1de287a7301cca19a7a7748159">operator[]</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a99f2e765029e51dd0fff018650f92eea.html#a99f2e765029e51dd0fff018650f92eea">operator[]</a></td></tr>
<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_a7605b20debcc12fc44bd9f2075122a87.html#a7605b20debcc12fc44bd9f2075122a87">operator[]</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a76347b37f07c75049f5164053a6cf81a.html#a76347b37f07c75049f5164053a6cf81a">operator[]</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a9a0b1acc13023170d2295eb512289080.html#a9a0b1acc13023170d2295eb512289080">parse</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a0923f9749409345a21f8cb15ee95fc0d.html#a0923f9749409345a21f8cb15ee95fc0d">parse</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a959bc32fc72a76cd5a1bd6977926f787.html#a959bc32fc72a76cd5a1bd6977926f787">parse</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_aea1c863b719b4ca5b77188c171bbfafe.html#aea1c863b719b4ca5b77188c171bbfafe">parse_event_t</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a9e35475e2027520a78e09f460dbe048a.html#a9e35475e2027520a78e09f460dbe048a">parser_callback_t</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_aa41e1083435cf317a253947eb1ff318d.html#aa41e1083435cf317a253947eb1ff318d">patch</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a9d1b58099dc64695fcf2847ab0b2a7c7.html#a9d1b58099dc64695fcf2847ab0b2a7c7">pointer</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a486b96adbf4886c38e38c952394a220f.html#a486b96adbf4886c38e38c952394a220f">push_back</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a6f3dfd3e83a1e907d7946b47fcd7ceba.html#a6f3dfd3e83a1e907d7946b47fcd7ceba">push_back</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a5212588544f6d2266384c3be9bfda0c5.html#a5212588544f6d2266384c3be9bfda0c5">push_back</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a9c9b4932b26a9630e1a3f25ea42a2c43.html#a9c9b4932b26a9630e1a3f25ea42a2c43">push_back</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a62ccf5b9b3674aec2403fbc02da03db8.html#a62ccf5b9b3674aec2403fbc02da03db8">rbegin</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a4635e8c6d5a4599f12a76368e325acd8.html#a4635e8c6d5a4599f12a76368e325acd8">rbegin</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a3ec8e17be8732fe436e9d6733f52b7a3.html#a3ec8e17be8732fe436e9d6733f52b7a3">reference</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_aaa160a960dd3dd90856a72b1d8dbe707.html#aaa160a960dd3dd90856a72b1d8dbe707">rend</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a018ea61dbc973192d2ffc6bccc50696b.html#a018ea61dbc973192d2ffc6bccc50696b">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>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_ab63e618bbb0371042b1bec17f5891f42.html#ab63e618bbb0371042b1bec17f5891f42">string_t</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_af77614992e38b355b9213940051cc582.html#af77614992e38b355b9213940051cc582">swap</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a8209621de6184d9eabe136b7c8f61935.html#a8209621de6184d9eabe136b7c8f61935">swap</a></td></tr>
<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_a848cbae3bd3502ffbf738320bf5eb3aa.html#a848cbae3bd3502ffbf738320bf5eb3aa">type</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a0389c5dd86adc512e5826d7ff610f776.html#a0389c5dd86adc512e5826d7ff610f776">unflatten</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>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a5010579996e483e46bec5653d983914d.html#a5010579996e483e46bec5653d983914d">value</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a24bc3d5e7fc671a406cc521fbe58e736.html#a24bc3d5e7fc671a406cc521fbe58e736">value</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a231b02148577b69a154b2ce2c87a5522.html#a231b02148577b69a154b2ce2c87a5522">value_t</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_ac8d45b57874b4a6e9c07f7d3b5daa1f9.html#ac8d45b57874b4a6e9c07f7d3b5daa1f9">value_type</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="classnlohmann_1_1basic__json_a947b5b2a832e490858dbdddfe7085831.html#a947b5b2a832e490858dbdddfe7085831">~basic_json</a></td></tr>
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<a class="anchor" id="a618a5c5c9f8889032657370c8247a587"></a>
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<div class="memproto">
<div class="memtemplate">
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 = std::int64_t, class NumberUnsignedType = std::uint64_t, class NumberFloatType = double, template&lt; typename U &gt; class AllocatorType = std::allocator&gt; </div>
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<td class="mlabels-left">
<table class="memname">
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<td class="memname">static <a class="el" href="classnlohmann_1_1basic__json.html">basic_json</a> <a class="el" href="classnlohmann_1_1basic__json.html">nlohmann::basic_json</a>::diff </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classnlohmann_1_1basic__json.html">basic_json</a> &amp;&#160;</td>
<td class="paramname"><em>source</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classnlohmann_1_1basic__json.html">basic_json</a> &amp;&#160;</td>
<td class="paramname"><em>target</em>, </td>
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<td></td>
<td class="paramtype">std::string&#160;</td>
<td class="paramname"><em>path</em> = <code>&quot;&quot;</code>&#160;</td>
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<td></td>
<td>)</td>
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">static</span></span> </td>
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<p>Creates a <a href="http://jsonpatch.com">JSON Patch</a> so that value <em>source</em> can be changed into the value <em>target</em> by calling <a class="el" href="classnlohmann_1_1basic__json_aa41e1083435cf317a253947eb1ff318d.html#aa41e1083435cf317a253947eb1ff318d">patch</a> function.</p>
<dl class="section invariant"><dt>Invariant</dt><dd>For two JSON values <em>source</em> and <em>target</em>, the following code yields always <code>true</code>: <div class="fragment"><div class="line">source.<a class="code" href="classnlohmann_1_1basic__json_aa41e1083435cf317a253947eb1ff318d.html#aa41e1083435cf317a253947eb1ff318d">patch</a>(<a class="code" href="classnlohmann_1_1basic__json_a618a5c5c9f8889032657370c8247a587.html#a618a5c5c9f8889032657370c8247a587">diff</a>(source, target)) == target;</div></div><!-- fragment --></dd></dl>
<dl class="section note"><dt>Note</dt><dd>Currently, only <code>remove</code>, <code>add</code>, and <code>replace</code> operations are generated.</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">source</td><td>JSON value to copare from </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">target</td><td>JSON value to copare against </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">path</td><td>helper value to create JSON pointers</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>a JSON patch to convert the <em>source</em> to <em>target</em> </dd></dl>
<dl class="section user"><dt>Complexity</dt><dd>Linear in the lengths of <em>source</em> and <em>target</em>.</dd></dl>
<dl class="section user"><dt>Example</dt><dd>The following code shows how a JSON patch is created as a diff for two JSON values. <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">// the source document</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> source = R<span class="stringliteral">&quot;(</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="stringliteral"> {</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="stringliteral"> &quot;baz&quot;: &quot;qux&quot;,</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="stringliteral"> &quot;foo&quot;: &quot;bar&quot;</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="stringliteral"> }</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="stringliteral"> )&quot;_json;</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="stringliteral"></span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="stringliteral"> </span><span class="comment">// the target document</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160; <a class="code" href="namespacenlohmann_a2bfd99e845a2e5cd90aeaf1b1431f474.html#a2bfd99e845a2e5cd90aeaf1b1431f474">json</a> target = R<span class="stringliteral">&quot;(</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="stringliteral"> {</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="stringliteral"> &quot;baz&quot;: &quot;boo&quot;,</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="stringliteral"> &quot;hello&quot;: [</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="stringliteral"> &quot;world&quot;</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="stringliteral"> ]</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="stringliteral"> }</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="stringliteral"> )&quot;_json;</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="stringliteral"></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="stringliteral"> </span><span class="comment">// create the patch</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; <a class="code" href="namespacenlohmann_a2bfd99e845a2e5cd90aeaf1b1431f474.html#a2bfd99e845a2e5cd90aeaf1b1431f474">json</a> <a class="code" href="classnlohmann_1_1basic__json_aa41e1083435cf317a253947eb1ff318d.html#aa41e1083435cf317a253947eb1ff318d">patch</a> = <a class="code" href="classnlohmann_1_1basic__json_a618a5c5c9f8889032657370c8247a587.html#a618a5c5c9f8889032657370c8247a587">json::diff</a>(source, target);</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; <span class="comment">// roundtrip</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; <a class="code" href="namespacenlohmann_a2bfd99e845a2e5cd90aeaf1b1431f474.html#a2bfd99e845a2e5cd90aeaf1b1431f474">json</a> patched_source = source.patch(patch);</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; <span class="comment">// output patch and roundtrip result</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; std::cout &lt;&lt; std::setw(4) &lt;&lt; patch &lt;&lt; <span class="stringliteral">&quot;\n\n&quot;</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; &lt;&lt; std::setw(4) &lt;&lt; patched_source &lt;&lt; std::endl;</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;}</div><div class="ttc" id="classnlohmann_1_1basic__json_a618a5c5c9f8889032657370c8247a587_html_a618a5c5c9f8889032657370c8247a587"><div class="ttname"><a href="classnlohmann_1_1basic__json_a618a5c5c9f8889032657370c8247a587.html#a618a5c5c9f8889032657370c8247a587">nlohmann::basic_json::diff</a></div><div class="ttdeci">static basic_json diff(const basic_json &amp;source, const basic_json &amp;target, std::string path=&quot;&quot;)</div><div class="ttdoc">creates a diff as a JSON patch </div><div class="ttdef"><b>Definition:</b> <a href="json_8hpp_source.html#l10208">json.hpp:10208</a></div></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#l10356">json.hpp:10356</a></div></div>
<div class="ttc" id="classnlohmann_1_1basic__json_aa41e1083435cf317a253947eb1ff318d_html_aa41e1083435cf317a253947eb1ff318d"><div class="ttname"><a href="classnlohmann_1_1basic__json_aa41e1083435cf317a253947eb1ff318d.html#aa41e1083435cf317a253947eb1ff318d">nlohmann::basic_json::patch</a></div><div class="ttdeci">basic_json patch(const basic_json &amp;json_patch) const </div><div class="ttdoc">applies a JSON patch </div><div class="ttdef"><b>Definition:</b> <a href="json_8hpp_source.html#l09915">json.hpp:9915</a></div></div>
</div><!-- fragment --> Output (play with this example <a target="_blank" href="http://melpon.org/wandbox/permlink/hicmeOK39tBxaluM"><b>online</b></a>): <pre class="fragment">[
{
"op": "replace",
"path": "/baz",
"value": "boo"
},
{
"op": "remove",
"path": "/foo"
},
{
"op": "add",
"path": "/hello",
"value": [
"world"
]
}
]
{
"baz": "boo",
"hello": [
"world"
]
}
</pre> The example code above can be translated with<pre class="fragment">g++ -std=c++11 -Isrc doc/examples/diff.cpp -o diff </pre></dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classnlohmann_1_1basic__json_aa41e1083435cf317a253947eb1ff318d.html#aa41e1083435cf317a253947eb1ff318d">patch</a> &ndash; apply a JSON patch</dd>
<dd>
<a href="https://tools.ietf.org/html/rfc6902">RFC 6902 (JSON Patch)</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>version 2.0.0 </dd></dl>
<p>Definition at line <a class="el" href="json_8hpp_source.html#l10208">10208</a> of file <a class="el" href="json_8hpp_source.html">json.hpp</a>.</p>
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