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        </ul>
      </nav>
      <article class="main-content">

        <section class="section">
          <div class="section-content">
            <h1>Result</h1>
              <div class="declaration">
                <div class="language">
                  <pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">enum</span> <span class="kt">Result</span><span class="o">&lt;</span><span class="kt">Value</span><span class="o">&gt;</span></code></pre>

                </div>
              </div>
            <p>Used to represent whether a request was successful or encountered an error.</p>

<ul>
<li><p>success: The request and all post processing operations were successful resulting in the serialization of the
       provided associated value.</p></li>
<li><p>failure: The request encountered an error resulting in a failure. The associated values are the original data
       provided by the server as well as the error that caused the failure.</p></li>
</ul>

          </div>
        </section>

        <section class="section">
          <div class="section-content">
            <div class="task-group">
              <ul class="item-container">
                <li class="item">
                  <div>
                    <code>
                    <a name="/s:9Alamofire6ResultO7successyACyxGxcAEmlF"></a>
                    <a name="//apple_ref/swift/Element/success(_:)" class="dashAnchor"></a>
                    <a class="token" href="#/s:9Alamofire6ResultO7successyACyxGxcAEmlF">success(_:)</a>
                    </code>
                  </div>
                  <div class="height-container">
                    <div class="pointer-container"></div>
                    <section class="section">
                      <div class="pointer"></div>
                      <div class="abstract">
                        <p>Undocumented</p>

                      </div>
                      <div class="declaration">
                        <h4>Declaration</h4>
                        <div class="language">
                          <p class="aside-title">Swift</p>
                          <pre class="highlight swift"><code><span class="k">case</span> <span class="nf">success</span><span class="p">(</span><span class="kt">Value</span><span class="p">)</span></code></pre>

                        </div>
                      </div>
                    </section>
                  </div>
                </li>
                <li class="item">
                  <div>
                    <code>
                    <a name="/s:9Alamofire6ResultO7failureyACyxGs5Error_pcAEmlF"></a>
                    <a name="//apple_ref/swift/Element/failure(_:)" class="dashAnchor"></a>
                    <a class="token" href="#/s:9Alamofire6ResultO7failureyACyxGs5Error_pcAEmlF">failure(_:)</a>
                    </code>
                  </div>
                  <div class="height-container">
                    <div class="pointer-container"></div>
                    <section class="section">
                      <div class="pointer"></div>
                      <div class="abstract">
                        <p>Undocumented</p>

                      </div>
                      <div class="declaration">
                        <h4>Declaration</h4>
                        <div class="language">
                          <p class="aside-title">Swift</p>
                          <pre class="highlight swift"><code><span class="k">case</span> <span class="nf">failure</span><span class="p">(</span><span class="kt">Error</span><span class="p">)</span></code></pre>

                        </div>
                      </div>
                    </section>
                  </div>
                </li>
                <li class="item">
                  <div>
                    <code>
                    <a name="/s:9Alamofire6ResultO9isSuccessSbvp"></a>
                    <a name="//apple_ref/swift/Property/isSuccess" class="dashAnchor"></a>
                    <a class="token" href="#/s:9Alamofire6ResultO9isSuccessSbvp">isSuccess</a>
                    </code>
                  </div>
                  <div class="height-container">
                    <div class="pointer-container"></div>
                    <section class="section">
                      <div class="pointer"></div>
                      <div class="abstract">
                        <p>Returns <code>true</code> if the result is a success, <code>false</code> otherwise.</p>

                      </div>
                      <div class="declaration">
                        <h4>Declaration</h4>
                        <div class="language">
                          <p class="aside-title">Swift</p>
                          <pre class="highlight swift"><code><span class="kd">public</span> <span class="k">var</span> <span class="nv">isSuccess</span><span class="p">:</span> <span class="kt">Bool</span> <span class="p">{</span> <span class="k">get</span> <span class="p">}</span></code></pre>

                        </div>
                      </div>
                    </section>
                  </div>
                </li>
                <li class="item">
                  <div>
                    <code>
                    <a name="/s:9Alamofire6ResultO9isFailureSbvp"></a>
                    <a name="//apple_ref/swift/Property/isFailure" class="dashAnchor"></a>
                    <a class="token" href="#/s:9Alamofire6ResultO9isFailureSbvp">isFailure</a>
                    </code>
                  </div>
                  <div class="height-container">
                    <div class="pointer-container"></div>
                    <section class="section">
                      <div class="pointer"></div>
                      <div class="abstract">
                        <p>Returns <code>true</code> if the result is a failure, <code>false</code> otherwise.</p>

                      </div>
                      <div class="declaration">
                        <h4>Declaration</h4>
                        <div class="language">
                          <p class="aside-title">Swift</p>
                          <pre class="highlight swift"><code><span class="kd">public</span> <span class="k">var</span> <span class="nv">isFailure</span><span class="p">:</span> <span class="kt">Bool</span> <span class="p">{</span> <span class="k">get</span> <span class="p">}</span></code></pre>

                        </div>
                      </div>
                    </section>
                  </div>
                </li>
                <li class="item">
                  <div>
                    <code>
                    <a name="/s:9Alamofire6ResultO5valuexSgvp"></a>
                    <a name="//apple_ref/swift/Property/value" class="dashAnchor"></a>
                    <a class="token" href="#/s:9Alamofire6ResultO5valuexSgvp">value</a>
                    </code>
                  </div>
                  <div class="height-container">
                    <div class="pointer-container"></div>
                    <section class="section">
                      <div class="pointer"></div>
                      <div class="abstract">
                        <p>Returns the associated value if the result is a success, <code>nil</code> otherwise.</p>

                      </div>
                      <div class="declaration">
                        <h4>Declaration</h4>
                        <div class="language">
                          <p class="aside-title">Swift</p>
                          <pre class="highlight swift"><code><span class="kd">public</span> <span class="k">var</span> <span class="nv">value</span><span class="p">:</span> <span class="kt">Value</span><span class="p">?</span> <span class="p">{</span> <span class="k">get</span> <span class="p">}</span></code></pre>

                        </div>
                      </div>
                    </section>
                  </div>
                </li>
                <li class="item">
                  <div>
                    <code>
                    <a name="/s:9Alamofire6ResultO5errors5Error_pSgvp"></a>
                    <a name="//apple_ref/swift/Property/error" class="dashAnchor"></a>
                    <a class="token" href="#/s:9Alamofire6ResultO5errors5Error_pSgvp">error</a>
                    </code>
                  </div>
                  <div class="height-container">
                    <div class="pointer-container"></div>
                    <section class="section">
                      <div class="pointer"></div>
                      <div class="abstract">
                        <p>Returns the associated error value if the result is a failure, <code>nil</code> otherwise.</p>

                      </div>
                      <div class="declaration">
                        <h4>Declaration</h4>
                        <div class="language">
                          <p class="aside-title">Swift</p>
                          <pre class="highlight swift"><code><span class="kd">public</span> <span class="k">var</span> <span class="nv">error</span><span class="p">:</span> <span class="kt">Error</span><span class="p">?</span> <span class="p">{</span> <span class="k">get</span> <span class="p">}</span></code></pre>

                        </div>
                      </div>
                    </section>
                  </div>
                </li>
              </ul>
            </div>
            <div class="task-group">
              <div class="task-name-container">
                <a name="/CustomStringConvertible"></a>
                <a name="//apple_ref/swift/Section/CustomStringConvertible" class="dashAnchor"></a>
                <a href="#/CustomStringConvertible">
                  <h3 class="section-name">CustomStringConvertible</h3>
                </a>
              </div>
              <ul class="item-container">
                <li class="item">
                  <div>
                    <code>
                    <a name="/s:9Alamofire6ResultO11descriptionSSvp"></a>
                    <a name="//apple_ref/swift/Property/description" class="dashAnchor"></a>
                    <a class="token" href="#/s:9Alamofire6ResultO11descriptionSSvp">description</a>
                    </code>
                  </div>
                  <div class="height-container">
                    <div class="pointer-container"></div>
                    <section class="section">
                      <div class="pointer"></div>
                      <div class="abstract">
                        <p>The textual representation used when written to an output stream, which includes whether the result was a
success or failure.</p>

                      </div>
                      <div class="declaration">
                        <h4>Declaration</h4>
                        <div class="language">
                          <p class="aside-title">Swift</p>
                          <pre class="highlight swift"><code><span class="kd">public</span> <span class="k">var</span> <span class="nv">description</span><span class="p">:</span> <span class="kt">String</span> <span class="p">{</span> <span class="k">get</span> <span class="p">}</span></code></pre>

                        </div>
                      </div>
                    </section>
                  </div>
                </li>
              </ul>
            </div>
            <div class="task-group">
              <div class="task-name-container">
                <a name="/CustomDebugStringConvertible"></a>
                <a name="//apple_ref/swift/Section/CustomDebugStringConvertible" class="dashAnchor"></a>
                <a href="#/CustomDebugStringConvertible">
                  <h3 class="section-name">CustomDebugStringConvertible</h3>
                </a>
              </div>
              <ul class="item-container">
                <li class="item">
                  <div>
                    <code>
                    <a name="/s:9Alamofire6ResultO16debugDescriptionSSvp"></a>
                    <a name="//apple_ref/swift/Property/debugDescription" class="dashAnchor"></a>
                    <a class="token" href="#/s:9Alamofire6ResultO16debugDescriptionSSvp">debugDescription</a>
                    </code>
                  </div>
                  <div class="height-container">
                    <div class="pointer-container"></div>
                    <section class="section">
                      <div class="pointer"></div>
                      <div class="abstract">
                        <p>The debug textual representation used when written to an output stream, which includes whether the result was a
success or failure in addition to the value or error.</p>

                      </div>
                      <div class="declaration">
                        <h4>Declaration</h4>
                        <div class="language">
                          <p class="aside-title">Swift</p>
                          <pre class="highlight swift"><code><span class="kd">public</span> <span class="k">var</span> <span class="nv">debugDescription</span><span class="p">:</span> <span class="kt">String</span> <span class="p">{</span> <span class="k">get</span> <span class="p">}</span></code></pre>

                        </div>
                      </div>
                    </section>
                  </div>
                </li>
              </ul>
            </div>
            <div class="task-group">
              <div class="task-name-container">
                <a name="/Functional%20APIs"></a>
                <a name="//apple_ref/swift/Section/Functional APIs" class="dashAnchor"></a>
                <a href="#/Functional%20APIs">
                  <h3 class="section-name">Functional APIs</h3>
                </a>
              </div>
              <ul class="item-container">
                <li class="item">
                  <div>
                    <code>
                    <a name="/s:9Alamofire6ResultO5valueACyxGxyKXE_tcfc"></a>
                    <a name="//apple_ref/swift/Method/init(value:)" class="dashAnchor"></a>
                    <a class="token" href="#/s:9Alamofire6ResultO5valueACyxGxyKXE_tcfc">init(value:)</a>
                    </code>
                  </div>
                  <div class="height-container">
                    <div class="pointer-container"></div>
                    <section class="section">
                      <div class="pointer"></div>
                      <div class="abstract">
                        <p>Creates a <code>Result</code> instance from the result of a closure.</p>

<p>A failure result is created when the closure throws, and a success result is created when the closure
succeeds without throwing an error.</p>
<pre class="highlight swift"><code><span class="kd">func</span> <span class="nf">someString</span><span class="p">()</span> <span class="k">throws</span> <span class="o">-&gt;</span> <span class="kt">String</span> <span class="p">{</span> <span class="o">...</span> <span class="p">}</span>

<span class="k">let</span> <span class="nv">result</span> <span class="o">=</span> <span class="kt">Result</span><span class="p">(</span><span class="nv">value</span><span class="p">:</span> <span class="p">{</span>
    <span class="k">return</span> <span class="k">try</span> <span class="nf">someString</span><span class="p">()</span>
<span class="p">})</span>

<span class="c1">// The type of result is Result&lt;String&gt;</span>
</code></pre>

<p>The trailing closure syntax is also supported:</p>
<pre class="highlight swift"><code><span class="k">let</span> <span class="nv">result</span> <span class="o">=</span> <span class="kt">Result</span> <span class="p">{</span> <span class="k">try</span> <span class="nf">someString</span><span class="p">()</span> <span class="p">}</span>
</code></pre>

                      </div>
                      <div class="declaration">
                        <h4>Declaration</h4>
                        <div class="language">
                          <p class="aside-title">Swift</p>
                          <pre class="highlight swift"><code><span class="kd">public</span> <span class="nf">init</span><span class="p">(</span><span class="nv">value</span><span class="p">:</span> <span class="p">()</span> <span class="k">throws</span> <span class="o">-&gt;</span> <span class="kt">Value</span><span class="p">)</span></code></pre>

                        </div>
                      </div>
                      <div>
                        <h4>Parameters</h4>
                        <table class="graybox">
                          <tbody>
                            <tr>
                              <td>
                                <code>
                                <em>value</em>
                                </code>
                              </td>
                              <td>
                                <div>
                                  <p>The closure to execute and create the result for.</p>
                                </div>
                              </td>
                            </tr>
                          </tbody>
                        </table>
                      </div>
                    </section>
                  </div>
                </li>
                <li class="item">
                  <div>
                    <code>
                    <a name="/s:9Alamofire6ResultO6unwrapxyKF"></a>
                    <a name="//apple_ref/swift/Method/unwrap()" class="dashAnchor"></a>
                    <a class="token" href="#/s:9Alamofire6ResultO6unwrapxyKF">unwrap()</a>
                    </code>
                  </div>
                  <div class="height-container">
                    <div class="pointer-container"></div>
                    <section class="section">
                      <div class="pointer"></div>
                      <div class="abstract">
                        <p>Returns the success value, or throws the failure error.</p>
<pre class="highlight swift"><code><span class="k">let</span> <span class="nv">possibleString</span><span class="p">:</span> <span class="kt">Result</span><span class="o">&lt;</span><span class="kt">String</span><span class="o">&gt;</span> <span class="o">=</span> <span class="o">.</span><span class="nf">success</span><span class="p">(</span><span class="s">"success"</span><span class="p">)</span>
<span class="k">try</span> <span class="nf">print</span><span class="p">(</span><span class="n">possibleString</span><span class="o">.</span><span class="nf">unwrap</span><span class="p">())</span>
<span class="c1">// Prints "success"</span>

<span class="k">let</span> <span class="nv">noString</span><span class="p">:</span> <span class="kt">Result</span><span class="o">&lt;</span><span class="kt">String</span><span class="o">&gt;</span> <span class="o">=</span> <span class="o">.</span><span class="nf">failure</span><span class="p">(</span><span class="n">error</span><span class="p">)</span>
<span class="k">try</span> <span class="nf">print</span><span class="p">(</span><span class="n">noString</span><span class="o">.</span><span class="nf">unwrap</span><span class="p">())</span>
<span class="c1">// Throws error</span>
</code></pre>

                      </div>
                      <div class="declaration">
                        <h4>Declaration</h4>
                        <div class="language">
                          <p class="aside-title">Swift</p>
                          <pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">func</span> <span class="nf">unwrap</span><span class="p">()</span> <span class="k">throws</span> <span class="o">-&gt;</span> <span class="kt">Value</span></code></pre>

                        </div>
                      </div>
                    </section>
                  </div>
                </li>
                <li class="item">
                  <div>
                    <code>
                    <a name="/s:9Alamofire6ResultO3mapyACyqd__Gqd__xXElF"></a>
                    <a name="//apple_ref/swift/Method/map(_:)" class="dashAnchor"></a>
                    <a class="token" href="#/s:9Alamofire6ResultO3mapyACyqd__Gqd__xXElF">map(_:)</a>
                    </code>
                  </div>
                  <div class="height-container">
                    <div class="pointer-container"></div>
                    <section class="section">
                      <div class="pointer"></div>
                      <div class="abstract">
                        <p>Evaluates the specified closure when the <code>Result</code> is a success, passing the unwrapped value as a parameter.</p>

<p>Use the <code>map</code> method with a closure that does not throw. For example:</p>
<pre class="highlight swift"><code><span class="k">let</span> <span class="nv">possibleData</span><span class="p">:</span> <span class="kt">Result</span><span class="o">&lt;</span><span class="kt">Data</span><span class="o">&gt;</span> <span class="o">=</span> <span class="o">.</span><span class="nf">success</span><span class="p">(</span><span class="kt">Data</span><span class="p">())</span>
<span class="k">let</span> <span class="nv">possibleInt</span> <span class="o">=</span> <span class="n">possibleData</span><span class="o">.</span><span class="n">map</span> <span class="p">{</span> <span class="nv">$0</span><span class="o">.</span><span class="n">count</span> <span class="p">}</span>
<span class="k">try</span> <span class="nf">print</span><span class="p">(</span><span class="n">possibleInt</span><span class="o">.</span><span class="nf">unwrap</span><span class="p">())</span>
<span class="c1">// Prints "0"</span>

<span class="k">let</span> <span class="nv">noData</span><span class="p">:</span> <span class="kt">Result</span><span class="o">&lt;</span><span class="kt">Data</span><span class="o">&gt;</span> <span class="o">=</span> <span class="o">.</span><span class="nf">failure</span><span class="p">(</span><span class="n">error</span><span class="p">)</span>
<span class="k">let</span> <span class="nv">noInt</span> <span class="o">=</span> <span class="n">noData</span><span class="o">.</span><span class="n">map</span> <span class="p">{</span> <span class="nv">$0</span><span class="o">.</span><span class="n">count</span> <span class="p">}</span>
<span class="k">try</span> <span class="nf">print</span><span class="p">(</span><span class="n">noInt</span><span class="o">.</span><span class="nf">unwrap</span><span class="p">())</span>
<span class="c1">// Throws error</span>
</code></pre>

                      </div>
                      <div class="declaration">
                        <h4>Declaration</h4>
                        <div class="language">
                          <p class="aside-title">Swift</p>
                          <pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">func</span> <span class="n">map</span><span class="o">&lt;</span><span class="kt">T</span><span class="o">&gt;</span><span class="p">(</span><span class="n">_</span> <span class="nv">transform</span><span class="p">:</span> <span class="p">(</span><span class="kt">Value</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kt">T</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kt">Result</span><span class="o">&lt;</span><span class="kt">T</span><span class="o">&gt;</span></code></pre>

                        </div>
                      </div>
                      <div>
                        <h4>Parameters</h4>
                        <table class="graybox">
                          <tbody>
                            <tr>
                              <td>
                                <code>
                                <em>transform</em>
                                </code>
                              </td>
                              <td>
                                <div>
                                  <p>A closure that takes the success value of the <code>Result</code> instance.</p>
                                </div>
                              </td>
                            </tr>
                          </tbody>
                        </table>
                      </div>
                      <div>
                        <h4>Return Value</h4>
                        <p>A <code>Result</code> containing the result of the given closure. If this instance is a failure, returns the
       same failure.</p>
                      </div>
                    </section>
                  </div>
                </li>
                <li class="item">
                  <div>
                    <code>
                    <a name="/s:9Alamofire6ResultO7flatMapyACyqd__Gqd__xKXElF"></a>
                    <a name="//apple_ref/swift/Method/flatMap(_:)" class="dashAnchor"></a>
                    <a class="token" href="#/s:9Alamofire6ResultO7flatMapyACyqd__Gqd__xKXElF">flatMap(_:)</a>
                    </code>
                  </div>
                  <div class="height-container">
                    <div class="pointer-container"></div>
                    <section class="section">
                      <div class="pointer"></div>
                      <div class="abstract">
                        <p>Evaluates the specified closure when the <code>Result</code> is a success, passing the unwrapped value as a parameter.</p>

<p>Use the <code>flatMap</code> method with a closure that may throw an error. For example:</p>
<pre class="highlight swift"><code><span class="k">let</span> <span class="nv">possibleData</span><span class="p">:</span> <span class="kt">Result</span><span class="o">&lt;</span><span class="kt">Data</span><span class="o">&gt;</span> <span class="o">=</span> <span class="o">.</span><span class="nf">success</span><span class="p">(</span><span class="kt">Data</span><span class="p">(</span><span class="o">...</span><span class="p">))</span>
<span class="k">let</span> <span class="nv">possibleObject</span> <span class="o">=</span> <span class="n">possibleData</span><span class="o">.</span><span class="n">flatMap</span> <span class="p">{</span>
    <span class="k">try</span> <span class="kt">JSONSerialization</span><span class="o">.</span><span class="nf">jsonObject</span><span class="p">(</span><span class="nv">with</span><span class="p">:</span> <span class="nv">$0</span><span class="p">)</span>
<span class="p">}</span>
</code></pre>

                      </div>
                      <div class="declaration">
                        <h4>Declaration</h4>
                        <div class="language">
                          <p class="aside-title">Swift</p>
                          <pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">func</span> <span class="n">flatMap</span><span class="o">&lt;</span><span class="kt">T</span><span class="o">&gt;</span><span class="p">(</span><span class="n">_</span> <span class="nv">transform</span><span class="p">:</span> <span class="p">(</span><span class="kt">Value</span><span class="p">)</span> <span class="k">throws</span> <span class="o">-&gt;</span> <span class="kt">T</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kt">Result</span><span class="o">&lt;</span><span class="kt">T</span><span class="o">&gt;</span></code></pre>

                        </div>
                      </div>
                      <div>
                        <h4>Parameters</h4>
                        <table class="graybox">
                          <tbody>
                            <tr>
                              <td>
                                <code>
                                <em>transform</em>
                                </code>
                              </td>
                              <td>
                                <div>
                                  <p>A closure that takes the success value of the instance.</p>
                                </div>
                              </td>
                            </tr>
                          </tbody>
                        </table>
                      </div>
                      <div>
                        <h4>Return Value</h4>
                        <p>A <code>Result</code> containing the result of the given closure. If this instance is a failure, returns the
       same failure.</p>
                      </div>
                    </section>
                  </div>
                </li>
                <li class="item">
                  <div>
                    <code>
                    <a name="/s:9Alamofire6ResultO8mapErroryACyxGqd__s0D0_pXEsAFRd__lF"></a>
                    <a name="//apple_ref/swift/Method/mapError(_:)" class="dashAnchor"></a>
                    <a class="token" href="#/s:9Alamofire6ResultO8mapErroryACyxGqd__s0D0_pXEsAFRd__lF">mapError(_:)</a>
                    </code>
                  </div>
                  <div class="height-container">
                    <div class="pointer-container"></div>
                    <section class="section">
                      <div class="pointer"></div>
                      <div class="abstract">
                        <p>Evaluates the specified closure when the <code>Result</code> is a failure, passing the unwrapped error as a parameter.</p>

<p>Use the <code>mapError</code> function with a closure that does not throw. For example:</p>
<pre class="highlight swift"><code><span class="k">let</span> <span class="nv">possibleData</span><span class="p">:</span> <span class="kt">Result</span><span class="o">&lt;</span><span class="kt">Data</span><span class="o">&gt;</span> <span class="o">=</span> <span class="o">.</span><span class="nf">failure</span><span class="p">(</span><span class="n">someError</span><span class="p">)</span>
<span class="k">let</span> <span class="nv">withMyError</span><span class="p">:</span> <span class="kt">Result</span><span class="o">&lt;</span><span class="kt">Data</span><span class="o">&gt;</span> <span class="o">=</span> <span class="n">possibleData</span><span class="o">.</span><span class="n">mapError</span> <span class="p">{</span> <span class="kt">MyError</span><span class="o">.</span><span class="nf">error</span><span class="p">(</span><span class="nv">$0</span><span class="p">)</span> <span class="p">}</span>
</code></pre>

                      </div>
                      <div class="declaration">
                        <h4>Declaration</h4>
                        <div class="language">
                          <p class="aside-title">Swift</p>
                          <pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">func</span> <span class="n">mapError</span><span class="o">&lt;</span><span class="kt">T</span><span class="o">&gt;</span><span class="p">(</span><span class="n">_</span> <span class="nv">transform</span><span class="p">:</span> <span class="p">(</span><span class="kt">Error</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kt">T</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kt">Result</span> <span class="k">where</span> <span class="kt">T</span> <span class="p">:</span> <span class="kt">Error</span></code></pre>

                        </div>
                      </div>
                      <div>
                        <h4>Parameters</h4>
                        <table class="graybox">
                          <tbody>
                            <tr>
                              <td>
                                <code>
                                <em>transform</em>
                                </code>
                              </td>
                              <td>
                                <div>
                                  <p>A closure that takes the error of the instance.</p>
                                </div>
                              </td>
                            </tr>
                          </tbody>
                        </table>
                      </div>
                      <div>
                        <h4>Return Value</h4>
                        <p>A <code>Result</code> instance containing the result of the transform. If this instance is a success, returns
       the same instance.</p>
                      </div>
                    </section>
                  </div>
                </li>
                <li class="item">
                  <div>
                    <code>
                    <a name="/s:9Alamofire6ResultO12flatMapErroryACyxGqd__s0E0_pKXEsAFRd__lF"></a>
                    <a name="//apple_ref/swift/Method/flatMapError(_:)" class="dashAnchor"></a>
                    <a class="token" href="#/s:9Alamofire6ResultO12flatMapErroryACyxGqd__s0E0_pKXEsAFRd__lF">flatMapError(_:)</a>
                    </code>
                  </div>
                  <div class="height-container">
                    <div class="pointer-container"></div>
                    <section class="section">
                      <div class="pointer"></div>
                      <div class="abstract">
                        <p>Evaluates the specified closure when the <code>Result</code> is a failure, passing the unwrapped error as a parameter.</p>

<p>Use the <code>flatMapError</code> function with a closure that may throw an error. For example:</p>
<pre class="highlight swift"><code><span class="k">let</span> <span class="nv">possibleData</span><span class="p">:</span> <span class="kt">Result</span><span class="o">&lt;</span><span class="kt">Data</span><span class="o">&gt;</span> <span class="o">=</span> <span class="o">.</span><span class="nf">success</span><span class="p">(</span><span class="kt">Data</span><span class="p">(</span><span class="o">...</span><span class="p">))</span>
<span class="k">let</span> <span class="nv">possibleObject</span> <span class="o">=</span> <span class="n">possibleData</span><span class="o">.</span><span class="n">flatMapError</span> <span class="p">{</span>
    <span class="k">try</span> <span class="nf">someFailableFunction</span><span class="p">(</span><span class="nv">taking</span><span class="p">:</span> <span class="nv">$0</span><span class="p">)</span>
<span class="p">}</span>
</code></pre>

                      </div>
                      <div class="declaration">
                        <h4>Declaration</h4>
                        <div class="language">
                          <p class="aside-title">Swift</p>
                          <pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">func</span> <span class="n">flatMapError</span><span class="o">&lt;</span><span class="kt">T</span><span class="o">&gt;</span><span class="p">(</span><span class="n">_</span> <span class="nv">transform</span><span class="p">:</span> <span class="p">(</span><span class="kt">Error</span><span class="p">)</span> <span class="k">throws</span> <span class="o">-&gt;</span> <span class="kt">T</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kt">Result</span> <span class="k">where</span> <span class="kt">T</span> <span class="p">:</span> <span class="kt">Error</span></code></pre>

                        </div>
                      </div>
                      <div>
                        <h4>Parameters</h4>
                        <table class="graybox">
                          <tbody>
                            <tr>
                              <td>
                                <code>
                                <em>transform</em>
                                </code>
                              </td>
                              <td>
                                <div>
                                  <p>A throwing closure that takes the error of the instance.</p>
                                </div>
                              </td>
                            </tr>
                          </tbody>
                        </table>
                      </div>
                      <div>
                        <h4>Return Value</h4>
                        <p>A <code>Result</code> instance containing the result of the transform. If this instance is a success, returns
       the same instance.</p>
                      </div>
                    </section>
                  </div>
                </li>
                <li class="item">
                  <div>
                    <code>
                    <a name="/s:9Alamofire6ResultO9withValueyACyxGyxKXEKF"></a>
                    <a name="//apple_ref/swift/Method/withValue(_:)" class="dashAnchor"></a>
                    <a class="token" href="#/s:9Alamofire6ResultO9withValueyACyxGyxKXEKF">withValue(_:)</a>
                    </code>
                  </div>
                  <div class="height-container">
                    <div class="pointer-container"></div>
                    <section class="section">
                      <div class="pointer"></div>
                      <div class="abstract">
                        <p>Evaluates the specified closure when the <code>Result</code> is a success, passing the unwrapped value as a parameter.</p>

<p>Use the <code>withValue</code> function to evaluate the passed closure without modifying the <code>Result</code> instance.</p>

                      </div>
                      <div class="declaration">
                        <h4>Declaration</h4>
                        <div class="language">
                          <p class="aside-title">Swift</p>
                          <pre class="highlight swift"><code><span class="kd">@discardableResult</span>
<span class="kd">public</span> <span class="kd">func</span> <span class="nf">withValue</span><span class="p">(</span><span class="n">_</span> <span class="nv">closure</span><span class="p">:</span> <span class="p">(</span><span class="kt">Value</span><span class="p">)</span> <span class="k">throws</span> <span class="o">-&gt;</span> <span class="kt">Void</span><span class="p">)</span> <span class="k">rethrows</span> <span class="o">-&gt;</span> <span class="kt">Result</span></code></pre>

                        </div>
                      </div>
                      <div>
                        <h4>Parameters</h4>
                        <table class="graybox">
                          <tbody>
                            <tr>
                              <td>
                                <code>
                                <em>closure</em>
                                </code>
                              </td>
                              <td>
                                <div>
                                  <p>A closure that takes the success value of this instance.</p>
                                </div>
                              </td>
                            </tr>
                          </tbody>
                        </table>
                      </div>
                      <div>
                        <h4>Return Value</h4>
                        <p>This <code>Result</code> instance, unmodified.</p>
                      </div>
                    </section>
                  </div>
                </li>
                <li class="item">
                  <div>
                    <code>
                    <a name="/s:9Alamofire6ResultO9withErroryACyxGys0D0_pKXEKF"></a>
                    <a name="//apple_ref/swift/Method/withError(_:)" class="dashAnchor"></a>
                    <a class="token" href="#/s:9Alamofire6ResultO9withErroryACyxGys0D0_pKXEKF">withError(_:)</a>
                    </code>
                  </div>
                  <div class="height-container">
                    <div class="pointer-container"></div>
                    <section class="section">
                      <div class="pointer"></div>
                      <div class="abstract">
                        <p>Evaluates the specified closure when the <code>Result</code> is a failure, passing the unwrapped error as a parameter.</p>

<p>Use the <code>withError</code> function to evaluate the passed closure without modifying the <code>Result</code> instance.</p>

                      </div>
                      <div class="declaration">
                        <h4>Declaration</h4>
                        <div class="language">
                          <p class="aside-title">Swift</p>
                          <pre class="highlight swift"><code><span class="kd">@discardableResult</span>
<span class="kd">public</span> <span class="kd">func</span> <span class="nf">withError</span><span class="p">(</span><span class="n">_</span> <span class="nv">closure</span><span class="p">:</span> <span class="p">(</span><span class="kt">Error</span><span class="p">)</span> <span class="k">throws</span> <span class="o">-&gt;</span> <span class="kt">Void</span><span class="p">)</span> <span class="k">rethrows</span> <span class="o">-&gt;</span> <span class="kt">Result</span></code></pre>

                        </div>
                      </div>
                      <div>
                        <h4>Parameters</h4>
                        <table class="graybox">
                          <tbody>
                            <tr>
                              <td>
                                <code>
                                <em>closure</em>
                                </code>
                              </td>
                              <td>
                                <div>
                                  <p>A closure that takes the success value of this instance.</p>
                                </div>
                              </td>
                            </tr>
                          </tbody>
                        </table>
                      </div>
                      <div>
                        <h4>Return Value</h4>
                        <p>This <code>Result</code> instance, unmodified.</p>
                      </div>
                    </section>
                  </div>
                </li>
                <li class="item">
                  <div>
                    <code>
                    <a name="/s:9Alamofire6ResultO9ifSuccessyACyxGyyKXEKF"></a>
                    <a name="//apple_ref/swift/Method/ifSuccess(_:)" class="dashAnchor"></a>
                    <a class="token" href="#/s:9Alamofire6ResultO9ifSuccessyACyxGyyKXEKF">ifSuccess(_:)</a>
                    </code>
                  </div>
                  <div class="height-container">
                    <div class="pointer-container"></div>
                    <section class="section">
                      <div class="pointer"></div>
                      <div class="abstract">
                        <p>Evaluates the specified closure when the <code>Result</code> is a success.</p>

<p>Use the <code>ifSuccess</code> function to evaluate the passed closure without modifying the <code>Result</code> instance.</p>

                      </div>
                      <div class="declaration">
                        <h4>Declaration</h4>
                        <div class="language">
                          <p class="aside-title">Swift</p>
                          <pre class="highlight swift"><code><span class="kd">@discardableResult</span>
<span class="kd">public</span> <span class="kd">func</span> <span class="nf">ifSuccess</span><span class="p">(</span><span class="n">_</span> <span class="nv">closure</span><span class="p">:</span> <span class="p">()</span> <span class="k">throws</span> <span class="o">-&gt;</span> <span class="kt">Void</span><span class="p">)</span> <span class="k">rethrows</span> <span class="o">-&gt;</span> <span class="kt">Result</span></code></pre>

                        </div>
                      </div>
                      <div>
                        <h4>Parameters</h4>
                        <table class="graybox">
                          <tbody>
                            <tr>
                              <td>
                                <code>
                                <em>closure</em>
                                </code>
                              </td>
                              <td>
                                <div>
                                  <p>A <code>Void</code> closure.</p>
                                </div>
                              </td>
                            </tr>
                          </tbody>
                        </table>
                      </div>
                      <div>
                        <h4>Return Value</h4>
                        <p>This <code>Result</code> instance, unmodified.</p>
                      </div>
                    </section>
                  </div>
                </li>
                <li class="item">
                  <div>
                    <code>
                    <a name="/s:9Alamofire6ResultO9ifFailureyACyxGyyKXEKF"></a>
                    <a name="//apple_ref/swift/Method/ifFailure(_:)" class="dashAnchor"></a>
                    <a class="token" href="#/s:9Alamofire6ResultO9ifFailureyACyxGyyKXEKF">ifFailure(_:)</a>
                    </code>
                  </div>
                  <div class="height-container">
                    <div class="pointer-container"></div>
                    <section class="section">
                      <div class="pointer"></div>
                      <div class="abstract">
                        <p>Evaluates the specified closure when the <code>Result</code> is a failure.</p>

<p>Use the <code>ifFailure</code> function to evaluate the passed closure without modifying the <code>Result</code> instance.</p>

                      </div>
                      <div class="declaration">
                        <h4>Declaration</h4>
                        <div class="language">
                          <p class="aside-title">Swift</p>
                          <pre class="highlight swift"><code><span class="kd">@discardableResult</span>
<span class="kd">public</span> <span class="kd">func</span> <span class="nf">ifFailure</span><span class="p">(</span><span class="n">_</span> <span class="nv">closure</span><span class="p">:</span> <span class="p">()</span> <span class="k">throws</span> <span class="o">-&gt;</span> <span class="kt">Void</span><span class="p">)</span> <span class="k">rethrows</span> <span class="o">-&gt;</span> <span class="kt">Result</span></code></pre>

                        </div>
                      </div>
                      <div>
                        <h4>Parameters</h4>
                        <table class="graybox">
                          <tbody>
                            <tr>
                              <td>
                                <code>
                                <em>closure</em>
                                </code>
                              </td>
                              <td>
                                <div>
                                  <p>A <code>Void</code> closure.</p>
                                </div>
                              </td>
                            </tr>
                          </tbody>
                        </table>
                      </div>
                      <div>
                        <h4>Return Value</h4>
                        <p>This <code>Result</code> instance, unmodified.</p>
                      </div>
                    </section>
                  </div>
                </li>
              </ul>
            </div>
          </div>
        </section>

      </article>
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      <p>&copy; 2019 <a class="link" href="http://alamofire.org/" target="_blank" rel="external">Alamofire Software Foundation</a>. All rights reserved. (Last updated: 2019-03-07)</p>
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