deploy: b5378e8deb

home/exceptions/index.html

@@ -28,8 +28,8 @@
 <span class=cp>#define JSON_TRY_USER if(true)</span>
 <span class=cp>#define JSON_CATCH_USER(exception) if(false)</span>
 <span class=cp>#define JSON_THROW_USER(exception)                           \</span>
-<span class=cp>    {std::clog &lt;&lt; &quot;Error in &quot; &lt;&lt; __FILE__ &lt;&lt; &quot;:&quot; &lt;&lt; __LINE__ \</span>
-<span class=cp>               &lt;&lt; &quot; (function &quot; &lt;&lt; __FUNCTION__ &lt;&lt; &quot;) - &quot;    \</span>
+<span class=cp>    {std::clog &lt;&lt; "Error in " &lt;&lt; __FILE__ &lt;&lt; ":" &lt;&lt; __LINE__ \</span>
+<span class=cp>               &lt;&lt; " (function " &lt;&lt; __FUNCTION__ &lt;&lt; ") - "    \</span>
 <span class=cp>               &lt;&lt; (exception).what() &lt;&lt; std::endl;           \</span>
 <span class=cp>     std::abort();}</span>
 
@@ -42,20 +42,20 @@
 <span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span>
 <span class=p>{</span>
 <span class=w>    </span><span class=n>json</span><span class=w> </span><span class=n>j</span><span class=p>;</span>
-<span class=w>    </span><span class=n>j</span><span class=p>[</span><span class=s>&quot;address&quot;</span><span class=p>][</span><span class=s>&quot;street&quot;</span><span class=p>]</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>&quot;Fake Street&quot;</span><span class=p>;</span>
-<span class=w>    </span><span class=n>j</span><span class=p>[</span><span class=s>&quot;address&quot;</span><span class=p>][</span><span class=s>&quot;housenumber&quot;</span><span class=p>]</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>&quot;12&quot;</span><span class=p>;</span>
+<span class=w>    </span><span class=n>j</span><span class=p>[</span><span class=s>"address"</span><span class=p>][</span><span class=s>"street"</span><span class=p>]</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>"Fake Street"</span><span class=p>;</span>
+<span class=w>    </span><span class=n>j</span><span class=p>[</span><span class=s>"address"</span><span class=p>][</span><span class=s>"housenumber"</span><span class=p>]</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>"12"</span><span class=p>;</span>
 
 <span class=w>    </span><span class=k>try</span>
 <span class=w>    </span><span class=p>{</span>
-<span class=w>        </span><span class=kt>int</span><span class=w> </span><span class=n>housenumber</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>j</span><span class=p>[</span><span class=s>&quot;address&quot;</span><span class=p>][</span><span class=s>&quot;housenumber&quot;</span><span class=p>];</span>
+<span class=w>        </span><span class=kt>int</span><span class=w> </span><span class=n>housenumber</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>j</span><span class=p>[</span><span class=s>"address"</span><span class=p>][</span><span class=s>"housenumber"</span><span class=p>];</span>
 <span class=w>    </span><span class=p>}</span>
 <span class=w>    </span><span class=k>catch</span><span class=w> </span><span class=p>(</span><span class=k>const</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>exception</span><span class=o>&amp;</span><span class=w> </span><span class=n>e</span><span class=p>)</span>
 <span class=w>    </span><span class=p>{</span>
-<span class=w>        </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>what</span><span class=p>()</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=sc>&#39;\n&#39;</span><span class=p>;</span>
+<span class=w>        </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>what</span><span class=p>()</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=sc>'\n'</span><span class=p>;</span>
 <span class=w>    </span><span class=p>}</span>
 <span class=p>}</span>
 </code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code>[json.exception.type_error.302] type must be number, but is string
-</code></pre></div> <p>This exception can be hard to debug if storing the value <code class=highlight><span class=s>&quot;12&quot;</span></code> and accessing it is further apart.</p> </details> <p>To create better diagnostics messages, each <abbr title="JavaScript Object Notation">JSON</abbr> value needs a pointer to its parent value such that a global context (i.e., a path from the root value to the value that led to the exception) can be created. That global context is provided as <a href=../../features/json_pointer/ ><abbr title="JavaScript Object Notation">JSON</abbr> Pointer</a>.</p> <p>As this global context comes at the price of storing one additional pointer per <abbr title="JavaScript Object Notation">JSON</abbr> value and runtime overhead to maintain the parent relation, extended diagnostics are disabled by default. They can, however, be enabled by defining the preprocessor symbol <a href=../../api/macros/json_diagnostics/ ><code>JSON_DIAGNOSTICS</code></a> to <code>1</code> before including <code>json.hpp</code>.</p> <details class=example> <summary>Example</summary> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf>&lt;iostream&gt;</span>
+</code></pre></div> <p>This exception can be hard to debug if storing the value <code class=highlight><span class=s>"12"</span></code> and accessing it is further apart.</p> </details> <p>To create better diagnostics messages, each <abbr title="JavaScript Object Notation">JSON</abbr> value needs a pointer to its parent value such that a global context (i.e., a path from the root value to the value that led to the exception) can be created. That global context is provided as <a href=../../features/json_pointer/ ><abbr title="JavaScript Object Notation">JSON</abbr> Pointer</a>.</p> <p>As this global context comes at the price of storing one additional pointer per <abbr title="JavaScript Object Notation">JSON</abbr> value and runtime overhead to maintain the parent relation, extended diagnostics are disabled by default. They can, however, be enabled by defining the preprocessor symbol <a href=../../api/macros/json_diagnostics/ ><code>JSON_DIAGNOSTICS</code></a> to <code>1</code> before including <code>json.hpp</code>.</p> <details class=example> <summary>Example</summary> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf>&lt;iostream&gt;</span>
 
 <span class=cp># define JSON_DIAGNOSTICS 1</span>
 <span class=cp>#include</span><span class=w> </span><span class=cpf>&lt;nlohmann/json.hpp&gt;</span>
@@ -65,16 +65,16 @@
 <span class=kt>int</span><span class=w> </span><span class=nf>main</span><span class=p>()</span>
 <span class=p>{</span>
 <span class=w>    </span><span class=n>json</span><span class=w> </span><span class=n>j</span><span class=p>;</span>
-<span class=w>    </span><span class=n>j</span><span class=p>[</span><span class=s>&quot;address&quot;</span><span class=p>][</span><span class=s>&quot;street&quot;</span><span class=p>]</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>&quot;Fake Street&quot;</span><span class=p>;</span>
-<span class=w>    </span><span class=n>j</span><span class=p>[</span><span class=s>&quot;address&quot;</span><span class=p>][</span><span class=s>&quot;housenumber&quot;</span><span class=p>]</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>&quot;12&quot;</span><span class=p>;</span>
+<span class=w>    </span><span class=n>j</span><span class=p>[</span><span class=s>"address"</span><span class=p>][</span><span class=s>"street"</span><span class=p>]</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>"Fake Street"</span><span class=p>;</span>
+<span class=w>    </span><span class=n>j</span><span class=p>[</span><span class=s>"address"</span><span class=p>][</span><span class=s>"housenumber"</span><span class=p>]</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>"12"</span><span class=p>;</span>
 
 <span class=w>    </span><span class=k>try</span>
 <span class=w>    </span><span class=p>{</span>
-<span class=w>        </span><span class=kt>int</span><span class=w> </span><span class=n>housenumber</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>j</span><span class=p>[</span><span class=s>&quot;address&quot;</span><span class=p>][</span><span class=s>&quot;housenumber&quot;</span><span class=p>];</span>
+<span class=w>        </span><span class=kt>int</span><span class=w> </span><span class=n>housenumber</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>j</span><span class=p>[</span><span class=s>"address"</span><span class=p>][</span><span class=s>"housenumber"</span><span class=p>];</span>
 <span class=w>    </span><span class=p>}</span>
 <span class=w>    </span><span class=k>catch</span><span class=w> </span><span class=p>(</span><span class=k>const</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>exception</span><span class=o>&amp;</span><span class=w> </span><span class=n>e</span><span class=p>)</span>
 <span class=w>    </span><span class=p>{</span>
-<span class=w>        </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>what</span><span class=p>()</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=sc>&#39;\n&#39;</span><span class=p>;</span>
+<span class=w>        </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>what</span><span class=p>()</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=sc>'\n'</span><span class=p>;</span>
 <span class=w>    </span><span class=p>}</span>
 <span class=p>}</span>
 </code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code>[json.exception.type_error.302] (/address/housenumber) type must be number, but is string
@@ -88,52 +88,52 @@
 <span class=w>    </span><span class=k>try</span>
 <span class=w>    </span><span class=p>{</span>
 <span class=w>        </span><span class=c1>// parsing input with a syntax error</span>
-<span class=w>        </span><span class=n>json</span><span class=o>::</span><span class=n>parse</span><span class=p>(</span><span class=s>&quot;[1,2,3,]&quot;</span><span class=p>);</span>
+<span class=w>        </span><span class=n>json</span><span class=o>::</span><span class=n>parse</span><span class=p>(</span><span class=s>"[1,2,3,]"</span><span class=p>);</span>
 <span class=w>    </span><span class=p>}</span>
 <span class=w>    </span><span class=k>catch</span><span class=w> </span><span class=p>(</span><span class=k>const</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>parse_error</span><span class=o>&amp;</span><span class=w> </span><span class=n>e</span><span class=p>)</span>
 <span class=w>    </span><span class=p>{</span>
 <span class=w>        </span><span class=c1>// output exception information</span>
-<span class=w>        </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=s>&quot;message: &quot;</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>what</span><span class=p>()</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=sc>&#39;\n&#39;</span>
-<span class=w>                  </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=s>&quot;exception id: &quot;</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>id</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=sc>&#39;\n&#39;</span>
-<span class=w>                  </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=s>&quot;byte position of error: &quot;</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>byte</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
+<span class=w>        </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=s>"message: "</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>what</span><span class=p>()</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=sc>'\n'</span>
+<span class=w>                  </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=s>"exception id: "</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>id</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=sc>'\n'</span>
+<span class=w>                  </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=s>"byte position of error: "</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=kt>byte</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
 <span class=w>    </span><span class=p>}</span>
 <span class=p>}</span>
-</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code>message: [json.exception.parse_error.101] parse error at line 1, column 8: syntax error while parsing value - unexpected &#39;]&#39;; expected &#39;[&#39;, &#39;{&#39;, or a literal
+</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code>message: [json.exception.parse_error.101] parse error at line 1, column 8: syntax error while parsing value - unexpected ']'; expected '[', '{', or a literal
 exception id: 101
 byte position of error: 8
 </code></pre></div> </details> <h3 id=jsonexceptionparse_error101>json.exception.parse_error.101<a class=headerlink href=#jsonexceptionparse_error101 title="Permanent link">&para;</a></h3> <p>This error indicates a syntax error while deserializing a <abbr title="JavaScript Object Notation">JSON</abbr> text. The error message describes that an unexpected token (character) was encountered, and the member <code>byte</code> indicates the error position.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <p>Input ended prematurely:</p> <div class=highlight><pre><span></span><code>[json.exception.parse_error.101] parse error at 2: unexpected end of input; expected string literal
 </code></pre></div> <p>No input:</p> <div class=highlight><pre><span></span><code>[json.exception.parse_error.101] parse error at line 1, column 1: attempting to parse an empty input; check that your input string or stream contains the expected JSON
-</code></pre></div> <p>Control character was not escaped:</p> <div class=highlight><pre><span></span><code>[json.exception.parse_error.101] parse error at line 1, column 2: syntax error while parsing value - invalid string: control character U+0009 (HT) must be escaped to \u0009 or \\; last read: &#39;&quot;&lt;U+0009&gt;&#39;&quot;
-</code></pre></div> <p>String was not closed:</p> <div class=highlight><pre><span></span><code>[json.exception.parse_error.101] parse error at line 1, column 2: syntax error while parsing value - invalid string: missing closing quote; last read: &#39;&quot;&#39;
-</code></pre></div> <p>Invalid number format:</p> <div class=highlight><pre><span></span><code>[json.exception.parse_error.101] parse error at line 1, column 3: syntax error while parsing value - invalid number; expected &#39;+&#39;, &#39;-&#39;, or digit after exponent; last read: &#39;1E&#39;
-</code></pre></div> <p><code>\u</code> was not be followed by four hex digits:</p> <div class=highlight><pre><span></span><code>[json.exception.parse_error.101] parse error at line 1, column 6: syntax error while parsing value - invalid string: &#39;\u&#39; must be followed by 4 hex digits; last read: &#39;&quot;\u01&quot;&#39;
-</code></pre></div> <p>Invalid <abbr title="Unicode Transformation Format">UTF</abbr>-8 surrogate pair:</p> <div class=highlight><pre><span></span><code>[json.exception.parse_error.101] parse error at line 1, column 13: syntax error while parsing value - invalid string: surrogate U+DC00..U+DFFF must follow U+D800..U+DBFF; last read: &#39;&quot;\uD7FF\uDC00&#39;&quot;
-</code></pre></div> <p>Invalid <abbr title="Unicode Transformation Format">UTF</abbr>-8 byte:</p> <div class=highlight><pre><span></span><code>[json.exception.parse_error.101] parse error at line 3, column 24: syntax error while parsing value - invalid string: ill-formed UTF-8 byte; last read: &#39;&quot;vous \352t&#39;
+</code></pre></div> <p>Control character was not escaped:</p> <div class=highlight><pre><span></span><code>[json.exception.parse_error.101] parse error at line 1, column 2: syntax error while parsing value - invalid string: control character U+0009 (HT) must be escaped to \u0009 or \\; last read: '"&lt;U+0009&gt;'"
+</code></pre></div> <p>String was not closed:</p> <div class=highlight><pre><span></span><code>[json.exception.parse_error.101] parse error at line 1, column 2: syntax error while parsing value - invalid string: missing closing quote; last read: '"'
+</code></pre></div> <p>Invalid number format:</p> <div class=highlight><pre><span></span><code>[json.exception.parse_error.101] parse error at line 1, column 3: syntax error while parsing value - invalid number; expected '+', '-', or digit after exponent; last read: '1E'
+</code></pre></div> <p><code>\u</code> was not be followed by four hex digits:</p> <div class=highlight><pre><span></span><code>[json.exception.parse_error.101] parse error at line 1, column 6: syntax error while parsing value - invalid string: '\u' must be followed by 4 hex digits; last read: '"\u01"'
+</code></pre></div> <p>Invalid <abbr title="Unicode Transformation Format">UTF</abbr>-8 surrogate pair:</p> <div class=highlight><pre><span></span><code>[json.exception.parse_error.101] parse error at line 1, column 13: syntax error while parsing value - invalid string: surrogate U+DC00..U+DFFF must follow U+D800..U+DBFF; last read: '"\uD7FF\uDC00'"
+</code></pre></div> <p>Invalid <abbr title="Unicode Transformation Format">UTF</abbr>-8 byte:</p> <div class=highlight><pre><span></span><code>[json.exception.parse_error.101] parse error at line 3, column 24: syntax error while parsing value - invalid string: ill-formed UTF-8 byte; last read: '"vous \352t'
 </code></pre></div> </div> <div class="admonition tip"> <p class=admonition-title>Tip</p> <ul> <li>Make sure the input is correctly read. Try to write the input to standard output to check if, for instance, the input file was successfully opened.</li> <li>Paste the input to a <abbr title="JavaScript Object Notation">JSON</abbr> validator like <a href="http://jsonlint.com">http://jsonlint.com</a> or a tool like <a href="https://stedolan.github.io/jq/">jq</a>.</li> </ul> </div> <h3 id=jsonexceptionparse_error102>json.exception.parse_error.102<a class=headerlink href=#jsonexceptionparse_error102 title="Permanent link">&para;</a></h3> <p><abbr title="JavaScript Object Notation">JSON</abbr> uses the <code>\uxxxx</code> format to describe Unicode characters. Code points above 0xFFFF are split into two <code>\uxxxx</code> entries ("surrogate pairs"). This error indicates that the surrogate pair is incomplete or contains an invalid code point.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>parse error at 14: missing or wrong low surrogate
 </code></pre></div> </div> <div class="admonition note"> <p class=admonition-title>Note</p> <p>This exception is not used any more. Instead <a href=#jsonexceptionparse_error101>json.exception.parse_error.101</a> with a more detailed description is used.</p> </div> <h3 id=jsonexceptionparse_error103>json.exception.parse_error.103<a class=headerlink href=#jsonexceptionparse_error103 title="Permanent link">&para;</a></h3> <p>Unicode supports code points up to 0x10FFFF. Code points above 0x10FFFF are invalid.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>parse error: code points above 0x10FFFF are invalid
 </code></pre></div> </div> <div class="admonition note"> <p class=admonition-title>Note</p> <p>This exception is not used any more. Instead <a href=#jsonexceptionparse_error101>json.exception.parse_error.101</a> with a more detailed description is used.</p> </div> <h3 id=jsonexceptionparse_error104>json.exception.parse_error.104<a class=headerlink href=#jsonexceptionparse_error104 title="Permanent link">&para;</a></h3> <p><a href="https://tools.ietf.org/html/rfc6902"><abbr title="Request for Comments">RFC</abbr> 6902</a> requires a <abbr title="JavaScript Object Notation">JSON</abbr> Patch document to be a <abbr title="JavaScript Object Notation">JSON</abbr> document that represents an array of objects.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>[json.exception.parse_error.104] parse error: JSON patch must be an array of objects
-</code></pre></div> </div> <h3 id=jsonexceptionparse_error105>json.exception.parse_error.105<a class=headerlink href=#jsonexceptionparse_error105 title="Permanent link">&para;</a></h3> <p>An operation of a <abbr title="JavaScript Object Notation">JSON</abbr> Patch document must contain exactly one "op" member, whose value indicates the operation to perform. Its value must be one of "add", "remove", "replace", "move", "copy", or "test"; other values are errors.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <p><div class=highlight><pre><span></span><code>[json.exception.parse_error.105] parse error: operation &#39;add&#39; must have member &#39;value&#39;
-</code></pre></div> <div class=highlight><pre><span></span><code>[json.exception.parse_error.105] parse error: operation &#39;copy&#39; must have string member &#39;from&#39;
-</code></pre></div> <div class=highlight><pre><span></span><code>[json.exception.parse_error.105] parse error: operation value &#39;foo&#39; is invalid
-</code></pre></div></p> </div> <h3 id=jsonexceptionparse_error106>json.exception.parse_error.106<a class=headerlink href=#jsonexceptionparse_error106 title="Permanent link">&para;</a></h3> <p>An array index in a <abbr title="JavaScript Object Notation">JSON</abbr> Pointer (<a href="https://tools.ietf.org/html/rfc6901"><abbr title="Request for Comments">RFC</abbr> 6901</a>) may be <code>0</code> or any number without a leading <code>0</code>.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>[json.exception.parse_error.106] parse error: array index &#39;01&#39; must not begin with &#39;0&#39;
-</code></pre></div> </div> <h3 id=jsonexceptionparse_error107>json.exception.parse_error.107<a class=headerlink href=#jsonexceptionparse_error107 title="Permanent link">&para;</a></h3> <p>A <abbr title="JavaScript Object Notation">JSON</abbr> Pointer must be a Unicode string containing a sequence of zero or more reference tokens, each prefixed by a <code>/</code> character.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>[json.exception.parse_error.107] parse error at byte 1: JSON pointer must be empty or begin with &#39;/&#39; - was: &#39;foo&#39;
-</code></pre></div> </div> <h3 id=jsonexceptionparse_error108>json.exception.parse_error.108<a class=headerlink href=#jsonexceptionparse_error108 title="Permanent link">&para;</a></h3> <p>In a <abbr title="JavaScript Object Notation">JSON</abbr> Pointer, only <code>~0</code> and <code>~1</code> are valid escape sequences.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>[json.exception.parse_error.108] parse error: escape character &#39;~&#39; must be followed with &#39;0&#39; or &#39;1&#39;
-</code></pre></div> </div> <h3 id=jsonexceptionparse_error109>json.exception.parse_error.109<a class=headerlink href=#jsonexceptionparse_error109 title="Permanent link">&para;</a></h3> <p>A <abbr title="JavaScript Object Notation">JSON</abbr> Pointer array index must be a number.</p> <div class="admonition failure"> <p class=admonition-title>Example messages</p> <p><div class=highlight><pre><span></span><code>[json.exception.parse_error.109] parse error: array index &#39;one&#39; is not a number
-</code></pre></div> <div class=highlight><pre><span></span><code>[json.exception.parse_error.109] parse error: array index &#39;+1&#39; is not a number
+</code></pre></div> </div> <h3 id=jsonexceptionparse_error105>json.exception.parse_error.105<a class=headerlink href=#jsonexceptionparse_error105 title="Permanent link">&para;</a></h3> <p>An operation of a <abbr title="JavaScript Object Notation">JSON</abbr> Patch document must contain exactly one "op" member, whose value indicates the operation to perform. Its value must be one of "add", "remove", "replace", "move", "copy", or "test"; other values are errors.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <p><div class=highlight><pre><span></span><code>[json.exception.parse_error.105] parse error: operation 'add' must have member 'value'
+</code></pre></div> <div class=highlight><pre><span></span><code>[json.exception.parse_error.105] parse error: operation 'copy' must have string member 'from'
+</code></pre></div> <div class=highlight><pre><span></span><code>[json.exception.parse_error.105] parse error: operation value 'foo' is invalid
+</code></pre></div></p> </div> <h3 id=jsonexceptionparse_error106>json.exception.parse_error.106<a class=headerlink href=#jsonexceptionparse_error106 title="Permanent link">&para;</a></h3> <p>An array index in a <abbr title="JavaScript Object Notation">JSON</abbr> Pointer (<a href="https://tools.ietf.org/html/rfc6901"><abbr title="Request for Comments">RFC</abbr> 6901</a>) may be <code>0</code> or any number without a leading <code>0</code>.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>[json.exception.parse_error.106] parse error: array index '01' must not begin with '0'
+</code></pre></div> </div> <h3 id=jsonexceptionparse_error107>json.exception.parse_error.107<a class=headerlink href=#jsonexceptionparse_error107 title="Permanent link">&para;</a></h3> <p>A <abbr title="JavaScript Object Notation">JSON</abbr> Pointer must be a Unicode string containing a sequence of zero or more reference tokens, each prefixed by a <code>/</code> character.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>[json.exception.parse_error.107] parse error at byte 1: JSON pointer must be empty or begin with '/' - was: 'foo'
+</code></pre></div> </div> <h3 id=jsonexceptionparse_error108>json.exception.parse_error.108<a class=headerlink href=#jsonexceptionparse_error108 title="Permanent link">&para;</a></h3> <p>In a <abbr title="JavaScript Object Notation">JSON</abbr> Pointer, only <code>~0</code> and <code>~1</code> are valid escape sequences.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>[json.exception.parse_error.108] parse error: escape character '~' must be followed with '0' or '1'
+</code></pre></div> </div> <h3 id=jsonexceptionparse_error109>json.exception.parse_error.109<a class=headerlink href=#jsonexceptionparse_error109 title="Permanent link">&para;</a></h3> <p>A <abbr title="JavaScript Object Notation">JSON</abbr> Pointer array index must be a number.</p> <div class="admonition failure"> <p class=admonition-title>Example messages</p> <p><div class=highlight><pre><span></span><code>[json.exception.parse_error.109] parse error: array index 'one' is not a number
+</code></pre></div> <div class=highlight><pre><span></span><code>[json.exception.parse_error.109] parse error: array index '+1' is not a number
 </code></pre></div></p> </div> <h3 id=jsonexceptionparse_error110>json.exception.parse_error.110<a class=headerlink href=#jsonexceptionparse_error110 title="Permanent link">&para;</a></h3> <p>When parsing a <a href=../../features/binary_formats/ >binary format</a>, the byte vector ends before the complete value has been read.</p> <div class="admonition failure"> <p class=admonition-title>Example messages</p> <p><div class=highlight><pre><span></span><code>[json.exception.parse_error.110] parse error at byte 5: syntax error while parsing CBOR string: unexpected end of input
 </code></pre></div> <div class=highlight><pre><span></span><code>[json.exception.parse_error.110] parse error at byte 2: syntax error while parsing UBJSON value: expected end of input; last byte: 0x5A
 </code></pre></div> <div class=highlight><pre><span></span><code>[json.exception.parse_error.110] parse error at byte 8: syntax error while parsing BSON number: unexpected end of input
 </code></pre></div></p> </div> <h3 id=jsonexceptionparse_error112>json.exception.parse_error.112<a class=headerlink href=#jsonexceptionparse_error112 title="Permanent link">&para;</a></h3> <p>An unexpected byte was read in a <a href=../../features/binary_formats/ >binary format</a> or length information is invalid (<a href=../../features/binary_formats/bson/ ><abbr title="Binary JSON">BSON</abbr></a>).</p> <div class="admonition failure"> <p class=admonition-title>Example messages</p> <p><div class=highlight><pre><span></span><code>[json.exception.parse_error.112] parse error at byte 1: syntax error while parsing CBOR value: invalid byte: 0x1C
 </code></pre></div> <div class=highlight><pre><span></span><code>[json.exception.parse_error.112] parse error at byte 1: syntax error while parsing MessagePack value: invalid byte: 0xC1
-</code></pre></div> <div class=highlight><pre><span></span><code>[json.exception.parse_error.112] parse error at byte 4: syntax error while parsing BJData size: expected &#39;#&#39; after type information; last byte: 0x02
-</code></pre></div> <div class=highlight><pre><span></span><code>[json.exception.parse_error.112] parse error at byte 4: syntax error while parsing UBJSON size: expected &#39;#&#39; after type information; last byte: 0x02
+</code></pre></div> <div class=highlight><pre><span></span><code>[json.exception.parse_error.112] parse error at byte 4: syntax error while parsing BJData size: expected '#' after type information; last byte: 0x02
+</code></pre></div> <div class=highlight><pre><span></span><code>[json.exception.parse_error.112] parse error at byte 4: syntax error while parsing UBJSON size: expected '#' after type information; last byte: 0x02
 </code></pre></div> <div class=highlight><pre><span></span><code>[json.exception.parse_error.112] parse error at byte 10: syntax error while parsing BSON string: string length must be at least 1, is -2147483648
 </code></pre></div> <div class=highlight><pre><span></span><code>[json.exception.parse_error.112] parse error at byte 15: syntax error while parsing BSON binary: byte array length cannot be negative, is -1
 </code></pre></div> <div class=highlight><pre><span></span><code>[json.exception.parse_error.112] parse error at byte 9: syntax error while parsing CBOR value: negative integer overflow
 </code></pre></div> <div class=highlight><pre><span></span><code>[json.exception.parse_error.112] parse error at byte 5: syntax error while parsing BSON document: document size 6 does not match the number of bytes read (5)
 </code></pre></div></p> </div> <h3 id=jsonexceptionparse_error113>json.exception.parse_error.113<a class=headerlink href=#jsonexceptionparse_error113 title="Permanent link">&para;</a></h3> <p>A string could not be read from a <a href=../../features/binary_formats/ >binary format</a>: either a value that is not a string was read where one was required (for instance as a map key), or the string's length specification is invalid.</p> <div class="admonition failure"> <p class=admonition-title>Example messages</p> <p><div class=highlight><pre><span></span><code>[json.exception.parse_error.113] parse error at byte 2: syntax error while parsing CBOR string: expected length specification (0x60-0x7B) or indefinite string type (0x7F); last byte: 0xFF
 </code></pre></div> <div class=highlight><pre><span></span><code>[json.exception.parse_error.113] parse error at byte 2: syntax error while parsing MessagePack string: expected length specification (0xA0-0xBF, 0xD9-0xDB); last byte: 0xFF
-</code></pre></div> <div class=highlight><pre><span></span><code>[json.exception.parse_error.113] parse error at byte 2: syntax error while parsing UBJSON char: byte after &#39;C&#39; must be in range 0x00..0x7F; last byte: 0x82
+</code></pre></div> <div class=highlight><pre><span></span><code>[json.exception.parse_error.113] parse error at byte 2: syntax error while parsing UBJSON char: byte after 'C' must be in range 0x00..0x7F; last byte: 0x82
 </code></pre></div> <div class=highlight><pre><span></span><code>[json.exception.parse_error.113] parse error at byte 3: syntax error while parsing BJData string: string length must not be negative
 </code></pre></div></p> </div> <h3 id=jsonexceptionparse_error114>json.exception.parse_error.114<a class=headerlink href=#jsonexceptionparse_error114 title="Permanent link">&para;</a></h3> <p>The parsing of the corresponding <abbr title="Binary JSON">BSON</abbr> record type is not implemented (yet).</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>[json.exception.parse_error.114] parse error at byte 5: Unsupported BSON record type 0xFF
 </code></pre></div> </div> <h3 id=jsonexceptionparse_error115>json.exception.parse_error.115<a class=headerlink href=#jsonexceptionparse_error115 title="Permanent link">&para;</a></h3> <p>A <abbr title="Universal Binary JSON">UBJSON</abbr> high-precision number could not be parsed.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>[json.exception.parse_error.115] parse error at byte 5: syntax error while parsing UBJSON high-precision number: invalid number text: 1A
@@ -147,15 +147,15 @@ byte position of error: 8
 <span class=w>    </span><span class=k>try</span>
 <span class=w>    </span><span class=p>{</span>
 <span class=w>        </span><span class=c1>// calling iterator::key() on non-object iterator</span>
-<span class=w>        </span><span class=n>json</span><span class=w> </span><span class=n>j</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>&quot;string&quot;</span><span class=p>;</span>
+<span class=w>        </span><span class=n>json</span><span class=w> </span><span class=n>j</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>"string"</span><span class=p>;</span>
 <span class=w>        </span><span class=n>json</span><span class=o>::</span><span class=n>iterator</span><span class=w> </span><span class=n>it</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>j</span><span class=p>.</span><span class=n>begin</span><span class=p>();</span>
 <span class=w>        </span><span class=k>auto</span><span class=w> </span><span class=n>k</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>it</span><span class=p>.</span><span class=n>key</span><span class=p>();</span>
 <span class=w>    </span><span class=p>}</span>
 <span class=w>    </span><span class=k>catch</span><span class=w> </span><span class=p>(</span><span class=k>const</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>invalid_iterator</span><span class=o>&amp;</span><span class=w> </span><span class=n>e</span><span class=p>)</span>
 <span class=w>    </span><span class=p>{</span>
 <span class=w>        </span><span class=c1>// output exception information</span>
-<span class=w>        </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=s>&quot;message: &quot;</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>what</span><span class=p>()</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=sc>&#39;\n&#39;</span>
-<span class=w>                  </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=s>&quot;exception id: &quot;</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>id</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
+<span class=w>        </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=s>"message: "</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>what</span><span class=p>()</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=sc>'\n'</span>
+<span class=w>                  </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=s>"exception id: "</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>id</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
 <span class=w>    </span><span class=p>}</span>
 <span class=p>}</span>
 </code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code>message: [json.exception.invalid_iterator.207] cannot use key() for non-object iterators
@@ -185,14 +185,14 @@ exception id: 207
 <span class=w>    </span><span class=k>try</span>
 <span class=w>    </span><span class=p>{</span>
 <span class=w>        </span><span class=c1>// calling push_back() on a string value</span>
-<span class=w>        </span><span class=n>json</span><span class=w> </span><span class=n>j</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>&quot;string&quot;</span><span class=p>;</span>
-<span class=w>        </span><span class=n>j</span><span class=p>.</span><span class=n>push_back</span><span class=p>(</span><span class=s>&quot;another string&quot;</span><span class=p>);</span>
+<span class=w>        </span><span class=n>json</span><span class=w> </span><span class=n>j</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s>"string"</span><span class=p>;</span>
+<span class=w>        </span><span class=n>j</span><span class=p>.</span><span class=n>push_back</span><span class=p>(</span><span class=s>"another string"</span><span class=p>);</span>
 <span class=w>    </span><span class=p>}</span>
 <span class=w>    </span><span class=k>catch</span><span class=w> </span><span class=p>(</span><span class=k>const</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>type_error</span><span class=o>&amp;</span><span class=w> </span><span class=n>e</span><span class=p>)</span>
 <span class=w>    </span><span class=p>{</span>
 <span class=w>        </span><span class=c1>// output exception information</span>
-<span class=w>        </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=s>&quot;message: &quot;</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>what</span><span class=p>()</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=sc>&#39;\n&#39;</span>
-<span class=w>                  </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=s>&quot;exception id: &quot;</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>id</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
+<span class=w>        </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=s>"message: "</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>what</span><span class=p>()</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=sc>'\n'</span>
+<span class=w>                  </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=s>"exception id: "</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>id</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
 <span class=w>    </span><span class=p>}</span>
 <span class=p>}</span>
 </code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code>message: [json.exception.type_error.308] cannot use push_back() with string
@@ -201,7 +201,7 @@ exception id: 308
 </code></pre></div> </div> <h3 id=jsonexceptiontype_error302>json.exception.type_error.302<a class=headerlink href=#jsonexceptiontype_error302 title="Permanent link">&para;</a></h3> <p>During implicit or explicit value conversion, the <abbr title="JavaScript Object Notation">JSON</abbr> type must be compatible with the target type. For instance, a <abbr title="JavaScript Object Notation">JSON</abbr> string can only be converted into string types, but not into numbers or boolean types.</p> <div class="admonition failure"> <p class=admonition-title>Example messages</p> <p><div class=highlight><pre><span></span><code>[json.exception.type_error.302] type must be object, but is null
 </code></pre></div> <div class=highlight><pre><span></span><code>[json.exception.type_error.302] type must be string, but is object
 </code></pre></div></p> </div> <h3 id=jsonexceptiontype_error303>json.exception.type_error.303<a class=headerlink href=#jsonexceptiontype_error303 title="Permanent link">&para;</a></h3> <p>To retrieve a reference to a value stored in a <code>basic_json</code> object with <code>get_ref</code>, the type of the reference must match the value type. For instance, for a <abbr title="JavaScript Object Notation">JSON</abbr> array, the <code>ReferenceType</code> must be <code>array_t &amp;</code>.</p> <div class="admonition failure"> <p class=admonition-title>Example messages</p> <p><div class=highlight><pre><span></span><code>[json.exception.type_error.303] incompatible ReferenceType for get_ref, actual type is object
-</code></pre></div> <div class=highlight><pre><span></span><code>[json.exception.type_error.303] incompatible ReferenceType for get_ref, actual type is number&quot;
+</code></pre></div> <div class=highlight><pre><span></span><code>[json.exception.type_error.303] incompatible ReferenceType for get_ref, actual type is number"
 </code></pre></div></p> </div> <h3 id=jsonexceptiontype_error304>json.exception.type_error.304<a class=headerlink href=#jsonexceptiontype_error304 title="Permanent link">&para;</a></h3> <p>The <code>at()</code> member functions can only be executed for certain <abbr title="JavaScript Object Notation">JSON</abbr> types.</p> <div class="admonition failure"> <p class=admonition-title>Example messages</p> <p><div class=highlight><pre><span></span><code>[json.exception.type_error.304] cannot use at() with string
 </code></pre></div> <div class=highlight><pre><span></span><code>[json.exception.type_error.304] cannot use at() with number
 </code></pre></div></p> </div> <h3 id=jsonexceptiontype_error305>json.exception.type_error.305<a class=headerlink href=#jsonexceptiontype_error305 title="Permanent link">&para;</a></h3> <p>The <code>operator[]</code> member functions can only be executed for certain <abbr title="JavaScript Object Notation">JSON</abbr> types.</p> <div class="admonition failure"> <p class=admonition-title>Example messages</p> <p><div class=highlight><pre><span></span><code>[json.exception.type_error.305] cannot use operator[] with a string argument with array
@@ -217,11 +217,11 @@ exception id: 308
 </code></pre></div></p> </div> <h3 id=jsonexceptiontype_error312>json.exception.type_error.312<a class=headerlink href=#jsonexceptiontype_error312 title="Permanent link">&para;</a></h3> <p>The <code>update()</code> member functions can only be executed for certain <abbr title="JavaScript Object Notation">JSON</abbr> types.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>[json.exception.type_error.312] cannot use update() with array
 </code></pre></div> </div> <h3 id=jsonexceptiontype_error313>json.exception.type_error.313<a class=headerlink href=#jsonexceptiontype_error313 title="Permanent link">&para;</a></h3> <p>The <code>unflatten</code> function converts an object whose keys are <abbr title="JavaScript Object Notation">JSON</abbr> Pointers back into an arbitrary nested <abbr title="JavaScript Object Notation">JSON</abbr> value. The <abbr title="JavaScript Object Notation">JSON</abbr> Pointers must not overlap, because then the resulting value would not be well-defined.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>[json.exception.type_error.313] invalid value to unflatten
 </code></pre></div> </div> <h3 id=jsonexceptiontype_error314>json.exception.type_error.314<a class=headerlink href=#jsonexceptiontype_error314 title="Permanent link">&para;</a></h3> <p>The <code>unflatten</code> function only works for an object whose keys are <abbr title="JavaScript Object Notation">JSON</abbr> Pointers.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <p>Calling <code>unflatten()</code> on an array <code class=highlight><span class=p>[</span><span class=mi>1</span><span class=p>,</span><span class=mi>2</span><span class=p>,</span><span class=mi>3</span><span class=p>]</span></code>:</p> <div class=highlight><pre><span></span><code>[json.exception.type_error.314] only objects can be unflattened
-</code></pre></div> </div> <h3 id=jsonexceptiontype_error315>json.exception.type_error.315<a class=headerlink href=#jsonexceptiontype_error315 title="Permanent link">&para;</a></h3> <p>The <code>unflatten()</code> function only works for an object whose keys are <abbr title="JavaScript Object Notation">JSON</abbr> Pointers and whose values are primitive.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <p>Calling <code>unflatten()</code> on an object <code class=highlight><span class=p>{</span><span class=s2>&quot;/1&quot;</span><span class=p>,</span><span class=w> </span><span class=p>[</span><span class=mi>1</span><span class=p>,</span><span class=mi>2</span><span class=p>,</span><span class=mi>3</span><span class=p>]}</span></code>:</p> <div class=highlight><pre><span></span><code>[json.exception.type_error.315] values in object must be primitive
+</code></pre></div> </div> <h3 id=jsonexceptiontype_error315>json.exception.type_error.315<a class=headerlink href=#jsonexceptiontype_error315 title="Permanent link">&para;</a></h3> <p>The <code>unflatten()</code> function only works for an object whose keys are <abbr title="JavaScript Object Notation">JSON</abbr> Pointers and whose values are primitive.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <p>Calling <code>unflatten()</code> on an object <code class=highlight><span class=p>{</span><span class=s2>"/1"</span><span class=p>,</span><span class=w> </span><span class=p>[</span><span class=mi>1</span><span class=p>,</span><span class=mi>2</span><span class=p>,</span><span class=mi>3</span><span class=p>]}</span></code>:</p> <div class=highlight><pre><span></span><code>[json.exception.type_error.315] values in object must be primitive
 </code></pre></div> </div> <h3 id=jsonexceptiontype_error316>json.exception.type_error.316<a class=headerlink href=#jsonexceptiontype_error316 title="Permanent link">&para;</a></h3> <p>The <code>dump()</code> function only works with <abbr title="Unicode Transformation Format">UTF</abbr>-8 encoded strings; that is, if you assign a <code>std::string</code> to a <abbr title="JavaScript Object Notation">JSON</abbr> value, make sure it is <abbr title="Unicode Transformation Format">UTF</abbr>-8 encoded.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <p>Calling <code>dump()</code> on a <abbr title="JavaScript Object Notation">JSON</abbr> value containing an <abbr title="International Organization for Standardization">ISO</abbr> 8859-1 encoded string: <div class=highlight><pre><span></span><code>[json.exception.type_error.316] invalid UTF-8 byte at index 15: 0x6F
 </code></pre></div></p> </div> <div class="admonition tip"> <p class=admonition-title>Tip</p> <ul> <li>Store the source file with <abbr title="Unicode Transformation Format">UTF</abbr>-8 encoding.</li> <li>Pass an error handler as last parameter to the <code>dump()</code> function to avoid this exception:<ul> <li><code>json::error_handler_t::replace</code> will replace invalid bytes sequences with <code>U+FFFD</code> </li> <li><code>json::error_handler_t::ignore</code> will silently ignore invalid byte sequences</li> </ul> </li> </ul> </div> <h3 id=jsonexceptiontype_error317>json.exception.type_error.317<a class=headerlink href=#jsonexceptiontype_error317 title="Permanent link">&para;</a></h3> <p>The dynamic type of the object cannot be represented in the requested serialization format (e.g., a raw <code>true</code> or <code>null</code> <abbr title="JavaScript Object Notation">JSON</abbr> object cannot be serialized to <abbr title="Binary JSON">BSON</abbr>)</p> <div class="admonition failure"> <p class=admonition-title>Example messages</p> <p>Serializing <code class=highlight><span class=kc>null</span></code> to <abbr title="Binary JSON">BSON</abbr>: <div class=highlight><pre><span></span><code>[json.exception.type_error.317] to serialize to BSON, top-level type must be object, but is null
 </code></pre></div> Serializing <code class=highlight><span class=p>[</span><span class=mi>1</span><span class=p>,</span><span class=mi>2</span><span class=p>,</span><span class=mi>3</span><span class=p>]</span></code> to <abbr title="Binary JSON">BSON</abbr>: <div class=highlight><pre><span></span><code>[json.exception.type_error.317] to serialize to BSON, top-level type must be object, but is array
-</code></pre></div></p> </div> <div class="admonition tip"> <p class=admonition-title>Tip</p> <p>Encapsulate the <abbr title="JavaScript Object Notation">JSON</abbr> value in an object. That is, instead of serializing <code class=highlight><span class=kc>true</span></code>, serialize <code class=highlight><span class=p>{</span><span class=nt>&quot;value&quot;</span><span class=p>:</span><span class=w> </span><span class=kc>true</span><span class=p>}</span></code></p> </div> <h2 id=out-of-range>Out of range<a class=headerlink href=#out-of-range title="Permanent link">&para;</a></h2> <p>This exception is thrown in case a library function is called on an input parameter that exceeds the expected range, for instance, in the case of array indices or nonexisting object keys.</p> <p>Exceptions have ids 4xx.</p> <details class=example> <summary>Example</summary> <p>The following code shows how an <code>out_of_range</code> exception can be caught.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf>&lt;iostream&gt;</span>
+</code></pre></div></p> </div> <div class="admonition tip"> <p class=admonition-title>Tip</p> <p>Encapsulate the <abbr title="JavaScript Object Notation">JSON</abbr> value in an object. That is, instead of serializing <code class=highlight><span class=kc>true</span></code>, serialize <code class=highlight><span class=p>{</span><span class=nt>"value"</span><span class=p>:</span><span class=w> </span><span class=kc>true</span><span class=p>}</span></code></p> </div> <h2 id=out-of-range>Out of range<a class=headerlink href=#out-of-range title="Permanent link">&para;</a></h2> <p>This exception is thrown in case a library function is called on an input parameter that exceeds the expected range, for instance, in the case of array indices or nonexisting object keys.</p> <p>Exceptions have ids 4xx.</p> <details class=example> <summary>Example</summary> <p>The following code shows how an <code>out_of_range</code> exception can be caught.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf>&lt;iostream&gt;</span>
 <span class=cp>#include</span><span class=w> </span><span class=cpf>&lt;nlohmann/json.hpp&gt;</span>
 
 <span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span>
@@ -237,25 +237,25 @@ exception id: 308
 <span class=w>    </span><span class=k>catch</span><span class=w> </span><span class=p>(</span><span class=k>const</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>out_of_range</span><span class=o>&amp;</span><span class=w> </span><span class=n>e</span><span class=p>)</span>
 <span class=w>    </span><span class=p>{</span>
 <span class=w>        </span><span class=c1>// output exception information</span>
-<span class=w>        </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=s>&quot;message: &quot;</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>what</span><span class=p>()</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=sc>&#39;\n&#39;</span>
-<span class=w>                  </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=s>&quot;exception id: &quot;</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>id</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
+<span class=w>        </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=s>"message: "</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>what</span><span class=p>()</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=sc>'\n'</span>
+<span class=w>                  </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=s>"exception id: "</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>id</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
 <span class=w>    </span><span class=p>}</span>
 <span class=p>}</span>
 </code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code>message: [json.exception.out_of_range.401] array index 4 is out of range
 exception id: 401
 </code></pre></div> </details> <h3 id=jsonexceptionout_of_range401>json.exception.out_of_range.401<a class=headerlink href=#jsonexceptionout_of_range401 title="Permanent link">&para;</a></h3> <p>The provided array index <code>i</code> is larger than <code>size-1</code>.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>array index 3 is out of range
-</code></pre></div> </div> <h3 id=jsonexceptionout_of_range402>json.exception.out_of_range.402<a class=headerlink href=#jsonexceptionout_of_range402 title="Permanent link">&para;</a></h3> <p>The special array index <code>-</code> in a <abbr title="JavaScript Object Notation">JSON</abbr> Pointer never describes a valid element of the array, but the index past the end. That is, it can only be used to add elements at this position, but not to read it.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>array index &#39;-&#39; (3) is out of range
-</code></pre></div> </div> <h3 id=jsonexceptionout_of_range403>json.exception.out_of_range.403<a class=headerlink href=#jsonexceptionout_of_range403 title="Permanent link">&para;</a></h3> <p>The provided key was not found in the <abbr title="JavaScript Object Notation">JSON</abbr> object.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>key &#39;foo&#39; not found
-</code></pre></div> </div> <h3 id=jsonexceptionout_of_range404>json.exception.out_of_range.404<a class=headerlink href=#jsonexceptionout_of_range404 title="Permanent link">&para;</a></h3> <p>A reference token in a <abbr title="JavaScript Object Notation">JSON</abbr> Pointer could not be resolved.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>unresolved reference token &#39;foo&#39;
+</code></pre></div> </div> <h3 id=jsonexceptionout_of_range402>json.exception.out_of_range.402<a class=headerlink href=#jsonexceptionout_of_range402 title="Permanent link">&para;</a></h3> <p>The special array index <code>-</code> in a <abbr title="JavaScript Object Notation">JSON</abbr> Pointer never describes a valid element of the array, but the index past the end. That is, it can only be used to add elements at this position, but not to read it.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>array index '-' (3) is out of range
+</code></pre></div> </div> <h3 id=jsonexceptionout_of_range403>json.exception.out_of_range.403<a class=headerlink href=#jsonexceptionout_of_range403 title="Permanent link">&para;</a></h3> <p>The provided key was not found in the <abbr title="JavaScript Object Notation">JSON</abbr> object.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>key 'foo' not found
+</code></pre></div> </div> <h3 id=jsonexceptionout_of_range404>json.exception.out_of_range.404<a class=headerlink href=#jsonexceptionout_of_range404 title="Permanent link">&para;</a></h3> <p>A reference token in a <abbr title="JavaScript Object Notation">JSON</abbr> Pointer could not be resolved.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>unresolved reference token 'foo'
 </code></pre></div> </div> <h3 id=jsonexceptionout_of_range405>json.exception.out_of_range.405<a class=headerlink href=#jsonexceptionout_of_range405 title="Permanent link">&para;</a></h3> <p>The <abbr title="JavaScript Object Notation">JSON</abbr> Patch operations 'remove' and 'add' cannot be applied to the root element of the <abbr title="JavaScript Object Notation">JSON</abbr> value.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>JSON pointer has no parent
-</code></pre></div> </div> <h3 id=jsonexceptionout_of_range406>json.exception.out_of_range.406<a class=headerlink href=#jsonexceptionout_of_range406 title="Permanent link">&para;</a></h3> <p>A parsed number could not be stored as without changing it to <abbr title="Not a Number">NaN</abbr> or INF.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>number overflow parsing &#39;10E1000&#39;
+</code></pre></div> </div> <h3 id=jsonexceptionout_of_range406>json.exception.out_of_range.406<a class=headerlink href=#jsonexceptionout_of_range406 title="Permanent link">&para;</a></h3> <p>A parsed number could not be stored as without changing it to <abbr title="Not a Number">NaN</abbr> or INF.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>number overflow parsing '10E1000'
 </code></pre></div> </div> <h3 id=jsonexceptionout_of_range407>json.exception.out_of_range.407<a class=headerlink href=#jsonexceptionout_of_range407 title="Permanent link">&para;</a></h3> <p>This exception previously indicated that the <abbr title="Universal Binary JSON">UBJSON</abbr> and <abbr title="Binary JSON">BSON</abbr> binary formats did not support integer numbers greater than 9223372036854775807 due to limitations in the implemented mapping. However, these limitations have since been resolved, and this exception no longer occurs.</p> <div class="admonition success"> <p class=admonition-title>Exception cannot occur any more</p> <ul> <li>Since version 3.9.0, integer numbers beyond int64 are serialized as high-precision <abbr title="Universal Binary JSON">UBJSON</abbr> numbers.</li> <li>Since version 3.12.0, integer numbers beyond int64 are serialized as uint64 <abbr title="Binary JSON">BSON</abbr> numbers.</li> </ul> </div> <h3 id=jsonexceptionout_of_range408>json.exception.out_of_range.408<a class=headerlink href=#jsonexceptionout_of_range408 title="Permanent link">&para;</a></h3> <p>The size of an array or object in a <a href=../../features/binary_formats/ >binary format</a> exceeds the maximal capacity: the size following <code>#</code> for <a href=../../features/binary_formats/ubjson/ ><abbr title="Universal Binary JSON">UBJSON</abbr></a>/<a href=../../features/binary_formats/bjdata/ ><abbr title="Binary JData">BJData</abbr></a>, or the encoded length for <a href=../../features/binary_formats/cbor/ ><abbr title="Concise Binary Object Representation">CBOR</abbr></a>.</p> <div class="admonition failure"> <p class=admonition-title>Example messages</p> <p><div class=highlight><pre><span></span><code>excessive array size: 8658170730974374167
 </code></pre></div> <div class=highlight><pre><span></span><code>[json.exception.out_of_range.408] syntax error while parsing CBOR size: excessive array size
 </code></pre></div> <div class=highlight><pre><span></span><code>[json.exception.out_of_range.408] syntax error while parsing CBOR size: excessive map size
 </code></pre></div></p> </div> <h3 id=jsonexceptionout_of_range409>json.exception.out_of_range.409<a class=headerlink href=#jsonexceptionout_of_range409 title="Permanent link">&para;</a></h3> <p>Key identifiers to be serialized to <abbr title="Binary JSON">BSON</abbr> cannot contain code point U+0000, since the key is stored as zero-terminated c-string.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>BSON key cannot contain code point U+0000 (at byte 2)
 </code></pre></div> </div> <h3 id=jsonexceptionout_of_range410>json.exception.out_of_range.410<a class=headerlink href=#jsonexceptionout_of_range410 title="Permanent link">&para;</a></h3> <p>This exception is thrown when an undefined value is used with <a href=../../api/macros/nlohmann_json_serialize_enum_strict/ ><code>NLOHMANN_JSON_SERIALIZE_ENUM_STRICT</code></a>, or when an array index in a <abbr title="JavaScript Object Notation">JSON</abbr> pointer exceeds the range of <code>size_type</code> (e.g., on 32-bit platforms).</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>enum value out of range
 array index 18446744073709551616 exceeds size_type
-</code></pre></div> </div> <h3 id=jsonexceptionout_of_range411>json.exception.out_of_range.411<a class=headerlink href=#jsonexceptionout_of_range411 title="Permanent link">&para;</a></h3> <p>A <abbr title="JavaScript Object Notation">JSON</abbr> Patch <code>add</code> operation cannot be applied because the target location's parent is neither an object nor an array. Per <a href="https://datatracker.ietf.org/doc/html/rfc6902"><abbr title="Request for Comments">RFC</abbr> 6902</a>, an <code>add</code> target must reference a member of an existing object or an element of an existing array; a primitive value (string, number, boolean, etc.) cannot receive a new member or element.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>cannot add value: the JSON Patch &#39;add&#39; target&#39;s parent is of type string, but must be an object or array
+</code></pre></div> </div> <h3 id=jsonexceptionout_of_range411>json.exception.out_of_range.411<a class=headerlink href=#jsonexceptionout_of_range411 title="Permanent link">&para;</a></h3> <p>A <abbr title="JavaScript Object Notation">JSON</abbr> Patch <code>add</code> operation cannot be applied because the target location's parent is neither an object nor an array. Per <a href="https://datatracker.ietf.org/doc/html/rfc6902"><abbr title="Request for Comments">RFC</abbr> 6902</a>, an <code>add</code> target must reference a member of an existing object or an element of an existing array; a primitive value (string, number, boolean, etc.) cannot receive a new member or element.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>cannot add value: the JSON Patch 'add' target's parent is of type string, but must be an object or array
 </code></pre></div> </div> <div class="admonition note"> <p class=admonition-title>Note</p> <p>This exception was added in version 3.13.0. Before that, this situation hit an internal assertion (aborting the program in debug builds) or was silently ignored when assertions were disabled.</p> </div> <h3 id=jsonexceptionout_of_range412>json.exception.out_of_range.412<a class=headerlink href=#jsonexceptionout_of_range412 title="Permanent link">&para;</a></h3> <p><abbr title="Binary JSON">BSON</abbr> stores the length of documents, arrays, strings, and binary values in a signed 32-bit integer. This exception is thrown when a value is too large to be described by such a length field.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>BSON length 2147483661 exceeds maximum of 2147483647
 </code></pre></div> </div> <div class="admonition note"> <p class=admonition-title>Note</p> <p>This exception was added in version 3.13.0. Before that, the length was silently truncated, and <a href=../../api/basic_json/to_bson/ ><code>to_bson</code></a> produced documents with negative length prefixes that <a href=../../api/basic_json/from_bson/ ><code>from_bson</code></a> rejected.</p> </div> <h2 id=further-exceptions>Further exceptions<a class=headerlink href=#further-exceptions title="Permanent link">&para;</a></h2> <p>This exception is thrown in case of errors that cannot be classified with the other exception types.</p> <p>Exceptions have ids 5xx.</p> <details class=example> <summary>Example</summary> <p>The following code shows how an <code>other_error</code> exception can be caught.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf>&lt;iostream&gt;</span>
 <span class=cp>#include</span><span class=w> </span><span class=cpf>&lt;nlohmann/json.hpp&gt;</span>
@@ -268,26 +268,26 @@ array index 18446744073709551616 exceeds size_type
 <span class=w>    </span><span class=k>try</span>
 <span class=w>    </span><span class=p>{</span>
 <span class=w>        </span><span class=c1>// executing a failing JSON Patch operation</span>
-<span class=w>        </span><span class=n>json</span><span class=w> </span><span class=n>value</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=sa>R</span><span class=s>&quot;</span><span class=dl>(</span><span class=s>{</span>
-<span class=s>            &quot;best_biscuit&quot;: {</span>
-<span class=s>                &quot;name&quot;: &quot;Oreo&quot;</span>
+<span class=w>        </span><span class=n>json</span><span class=w> </span><span class=n>value</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=sa>R</span><span class=s>"</span><span class=dl>(</span><span class=s>{</span>
+<span class=s>            "best_biscuit": {</span>
+<span class=s>                "name": "Oreo"</span>
 <span class=s>            }</span>
-<span class=s>        }</span><span class=dl>)</span><span class=s>&quot;</span><span class=n>_json</span><span class=p>;</span>
-<span class=w>        </span><span class=n>json</span><span class=w> </span><span class=n>patch</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=sa>R</span><span class=s>&quot;</span><span class=dl>(</span><span class=s>[{</span>
-<span class=s>            &quot;op&quot;: &quot;test&quot;,</span>
-<span class=s>            &quot;path&quot;: &quot;/best_biscuit/name&quot;,</span>
-<span class=s>            &quot;value&quot;: &quot;Choco Leibniz&quot;</span>
-<span class=s>        }]</span><span class=dl>)</span><span class=s>&quot;</span><span class=n>_json</span><span class=p>;</span>
+<span class=s>        }</span><span class=dl>)</span><span class=s>"</span><span class=n>_json</span><span class=p>;</span>
+<span class=w>        </span><span class=n>json</span><span class=w> </span><span class=n>patch</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=sa>R</span><span class=s>"</span><span class=dl>(</span><span class=s>[{</span>
+<span class=s>            "op": "test",</span>
+<span class=s>            "path": "/best_biscuit/name",</span>
+<span class=s>            "value": "Choco Leibniz"</span>
+<span class=s>        }]</span><span class=dl>)</span><span class=s>"</span><span class=n>_json</span><span class=p>;</span>
 <span class=w>        </span><span class=n>value</span><span class=p>.</span><span class=n>patch</span><span class=p>(</span><span class=n>patch</span><span class=p>);</span>
 <span class=w>    </span><span class=p>}</span>
 <span class=w>    </span><span class=k>catch</span><span class=w> </span><span class=p>(</span><span class=k>const</span><span class=w> </span><span class=n>json</span><span class=o>::</span><span class=n>other_error</span><span class=o>&amp;</span><span class=w> </span><span class=n>e</span><span class=p>)</span>
 <span class=w>    </span><span class=p>{</span>
 <span class=w>        </span><span class=c1>// output exception information</span>
-<span class=w>        </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=s>&quot;message: &quot;</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>what</span><span class=p>()</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=sc>&#39;\n&#39;</span>
-<span class=w>                  </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=s>&quot;exception id: &quot;</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>id</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
+<span class=w>        </span><span class=n>std</span><span class=o>::</span><span class=n>cout</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=s>"message: "</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>what</span><span class=p>()</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=sc>'\n'</span>
+<span class=w>                  </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=s>"exception id: "</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>e</span><span class=p>.</span><span class=n>id</span><span class=w> </span><span class=o>&lt;&lt;</span><span class=w> </span><span class=n>std</span><span class=o>::</span><span class=n>endl</span><span class=p>;</span>
 <span class=w>    </span><span class=p>}</span>
 <span class=p>}</span>
-</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code>message: [json.exception.other_error.501] unsuccessful: {&quot;op&quot;:&quot;test&quot;,&quot;path&quot;:&quot;/best_biscuit/name&quot;,&quot;value&quot;:&quot;Choco Leibniz&quot;}
+</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code>message: [json.exception.other_error.501] unsuccessful: {"op":"test","path":"/best_biscuit/name","value":"Choco Leibniz"}
 exception id: 501
-</code></pre></div> </details> <h3 id=jsonexceptionother_error501>json.exception.other_error.501<a class=headerlink href=#jsonexceptionother_error501 title="Permanent link">&para;</a></h3> <p>A <abbr title="JavaScript Object Notation">JSON</abbr> Patch operation 'test' failed. The unsuccessful operation is also printed.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <p>Executing <code class=highlight><span class=p>{</span><span class=nt>&quot;op&quot;</span><span class=p>:</span><span class=s2>&quot;test&quot;</span><span class=p>,</span><span class=w> </span><span class=nt>&quot;path&quot;</span><span class=p>:</span><span class=s2>&quot;/baz&quot;</span><span class=p>,</span><span class=w> </span><span class=nt>&quot;value&quot;</span><span class=p>:</span><span class=s2>&quot;bar&quot;</span><span class=p>}</span></code> on <code class=highlight><span class=p>{</span><span class=nt>&quot;baz&quot;</span><span class=p>:</span><span class=w> </span><span class=s2>&quot;qux&quot;</span><span class=p>}</span></code>:</p> <div class=highlight><pre><span></span><code>[json.exception.other_error.501] unsuccessful: {&quot;op&quot;:&quot;test&quot;,&quot;path&quot;:&quot;/baz&quot;,&quot;value&quot;:&quot;bar&quot;}
-</code></pre></div> </div> <!-- https://squidfunk.github.io/mkdocs-material/reference/tooltips/#adding-a-glossary --> <aside class=md-source-file> <span class=md-source-file__fact> <span class=md-icon title="Last update"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M21 13.1c-.1 0-.3.1-.4.2l-1 1 2.1 2.1 1-1c.2-.2.2-.6 0-.8l-1.3-1.3c-.1-.1-.2-.2-.4-.2m-1.9 1.8-6.1 6V23h2.1l6.1-6.1zM12.5 7v5.2l4 2.4-1 1L11 13V7zM11 21.9c-5.1-.5-9-4.8-9-9.9C2 6.5 6.5 2 12 2c5.3 0 9.6 4.1 10 9.3-.3-.1-.6-.2-1-.2s-.7.1-1 .2C19.6 7.2 16.2 4 12 4c-4.4 0-8 3.6-8 8 0 4.1 3.1 7.5 7.1 7.9l-.1.2z"/></svg> </span> <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date" title="August 7, 2026 17:29:58 UTC">August 7, 2026</span> </span> </aside> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var labels=set.querySelector(".tabbed-labels");for(var tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> <script>var target=document.getElementById(location.hash.slice(1));target&&target.name&&(target.checked=target.name.startsWith("__tabbed_"))</script> </div> <button type=button class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8z"/></svg> Back to top </button> </main> <footer class=md-footer> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright &copy; 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+</code></pre></div> </details> <h3 id=jsonexceptionother_error501>json.exception.other_error.501<a class=headerlink href=#jsonexceptionother_error501 title="Permanent link">&para;</a></h3> <p>A <abbr title="JavaScript Object Notation">JSON</abbr> Patch operation 'test' failed. The unsuccessful operation is also printed.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <p>Executing <code class=highlight><span class=p>{</span><span class=nt>"op"</span><span class=p>:</span><span class=s2>"test"</span><span class=p>,</span><span class=w> </span><span class=nt>"path"</span><span class=p>:</span><span class=s2>"/baz"</span><span class=p>,</span><span class=w> </span><span class=nt>"value"</span><span class=p>:</span><span class=s2>"bar"</span><span class=p>}</span></code> on <code class=highlight><span class=p>{</span><span class=nt>"baz"</span><span class=p>:</span><span class=w> </span><span class=s2>"qux"</span><span class=p>}</span></code>:</p> <div class=highlight><pre><span></span><code>[json.exception.other_error.501] unsuccessful: {"op":"test","path":"/baz","value":"bar"}
+</code></pre></div> </div> <!-- https://squidfunk.github.io/mkdocs-material/reference/tooltips/#adding-a-glossary --> <aside class=md-source-file> <span class=md-source-file__fact> <span class=md-icon title="Last update"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M21 13.1c-.1 0-.3.1-.4.2l-1 1 2.1 2.1 1-1c.2-.2.2-.6 0-.8l-1.3-1.3c-.1-.1-.2-.2-.4-.2m-1.9 1.8-6.1 6V23h2.1l6.1-6.1zM12.5 7v5.2l4 2.4-1 1L11 13V7zM11 21.9c-5.1-.5-9-4.8-9-9.9C2 6.5 6.5 2 12 2c5.3 0 9.6 4.1 10 9.3-.3-.1-.6-.2-1-.2s-.7.1-1 .2C19.6 7.2 16.2 4 12 4c-4.4 0-8 3.6-8 8 0 4.1 3.1 7.5 7.1 7.9l-.1.2z"/></svg> </span> <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date" title="August 19, 2026 18:19:47 UTC">August 19, 2026</span> </span> </aside> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var labels=set.querySelector(".tabbed-labels");for(var tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> <script>var target=document.getElementById(location.hash.slice(1));target&&target.name&&(target.checked=target.name.startsWith("__tabbed_"))</script> </div> <button type=button class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8z"/></svg> Back to top </button> </main> <footer class=md-footer> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright &copy; 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