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<div class="title">result.hpp</div> </div>
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<a href="result_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">// you may not use this file except in compliance with the License.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// You may obtain a copy of the License at</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment">// distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment">// See the License for the specific language governing permissions and</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment">// limitations under the License.</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;</div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#ifndef __STOUT_RESULT_HPP__</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define __STOUT_RESULT_HPP__</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#include &lt;assert.h&gt;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;</div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#include &lt;iostream&gt;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="abort_8hpp.html">stout/abort.hpp</a>&gt;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="error_8hpp.html">stout/error.hpp</a>&gt;</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="none_8hpp.html">stout/none.hpp</a>&gt;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="option_8hpp.html">stout/option.hpp</a>&gt;</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="some_8hpp.html">stout/some.hpp</a>&gt;</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="try_8hpp.html">stout/try.hpp</a>&gt;</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="comment">// This class is equivalent to Try&lt;Option&lt;T&gt;&gt; and can represent only</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="comment">// one of these states at a time:</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="comment">// 1) A value of T.</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="comment">// 2) No value of T.</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="comment">// 3) An error state, with a corresponding error string.</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="comment">// Calling &#39;isSome&#39; will return true if it stores a value, in which</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="comment">// case calling &#39;get&#39; will return a constant reference to the T</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="comment">// stored. Calling &#39;isNone&#39; returns true if no value is stored and</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="comment">// there is no error. Calling &#39;isError&#39; will return true if it stores</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="comment">// an error, in which case calling &#39;error&#39; will return the error</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="comment">// string.</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="classResult.html"> 40</a></span>&#160;<span class="keyword">class </span><a class="code" href="classResult.html">Result</a></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;{</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="classResult.html#aa3d926b499dce65b365ea7e31f68514a"> 43</a></span>&#160; <span class="keyword">static</span> <a class="code" href="classResult.html">Result&lt;T&gt;</a> <a class="code" href="classResult.html#aa3d926b499dce65b365ea7e31f68514a">none</a>()</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; {</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classResult.html">Result&lt;T&gt;</a>(<a class="code" href="structNone.html">None</a>());</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; }</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;</div>
<div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="classResult.html#a0a503a3f3549b34b19dc47280d806e90"> 48</a></span>&#160; <span class="keyword">static</span> <a class="code" href="classResult.html">Result&lt;T&gt;</a> <a class="code" href="classResult.html#a0a503a3f3549b34b19dc47280d806e90">some</a>(<span class="keyword">const</span> T&amp; t)</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; {</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classResult.html">Result&lt;T&gt;</a>(t);</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; }</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;</div>
<div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="classResult.html#a521adf96f5c27d26d6b1d580aae8aaee"> 53</a></span>&#160; <span class="keyword">static</span> <a class="code" href="classResult.html">Result&lt;T&gt;</a> <a class="code" href="classResult.html#a521adf96f5c27d26d6b1d580aae8aaee">error</a>(<span class="keyword">const</span> std::string&amp; message)</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; {</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classResult.html">Result&lt;T&gt;</a>(<a class="code" href="classError.html">Error</a>(message));</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; }</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;</div>
<div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="classResult.html#aef4025c8008853cc7ac9fb4b95dedb58"> 58</a></span>&#160; <a class="code" href="classResult.html#aef4025c8008853cc7ac9fb4b95dedb58">Result</a>(<span class="keyword">const</span> T&amp; _t)</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; : data(<a class="code" href="some_8hpp.html#a2048f5c3b4ee79448c012cf6dc82a020">Some</a>(_t)) {}</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;</div>
<div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="classResult.html#a61f7a8612af4b813816ddd01247d4b66"> 61</a></span>&#160; <a class="code" href="classResult.html#a61f7a8612af4b813816ddd01247d4b66">Result</a>(T&amp;&amp; _t)</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; : data(<a class="code" href="some_8hpp.html#a2048f5c3b4ee79448c012cf6dc82a020">Some</a>(std::move(_t))) {}</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="keyword">template</span> &lt;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <span class="keyword">typename</span> U,</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="keyword">typename</span> = <span class="keyword">typename</span> std::enable_if&lt;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; std::is_constructible&lt;T, const U&amp;&gt;::value&gt;<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">::type</a>&gt;</div>
<div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="classResult.html#a457818fb4e681c1451de3b85caa23f1a"> 68</a></span>&#160; <a class="code" href="classResult.html#a457818fb4e681c1451de3b85caa23f1a">Result</a>(<span class="keyword">const</span> U&amp; u)</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; : data(<a class="code" href="some_8hpp.html#a2048f5c3b4ee79448c012cf6dc82a020">Some</a>(u)) {}</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;</div>
<div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="classResult.html#aed2b0016c27824c33bf0eb0035191eda"> 71</a></span>&#160; <a class="code" href="classResult.html#aed2b0016c27824c33bf0eb0035191eda">Result</a>(<span class="keyword">const</span> <a class="code" href="classOption.html">Option&lt;T&gt;</a>&amp; option)</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; : data(option.<a class="code" href="classResult.html#a85eaa52037223d71092e65701c166562">isSome</a>() ?</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <a class="code" href="classTry.html">Try</a>&lt;<a class="code" href="classOption.html">Option</a>&lt;T&gt;&gt;(<a class="code" href="some_8hpp.html#a2048f5c3b4ee79448c012cf6dc82a020">Some</a>(option.<a class="code" href="classResult.html#aedf79f3b14dcda5791b84a64ada4d412">get</a>())) :</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <a class="code" href="classTry.html">Try</a>&lt;<a class="code" href="classOption.html">Option</a>&lt;T&gt;&gt;(<a class="code" href="structNone.html">None</a>())) {}</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;</div>
<div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="classResult.html#af88c39bb6eb1271dea96df3e33f16070"> 76</a></span>&#160; <a class="code" href="classResult.html#af88c39bb6eb1271dea96df3e33f16070">Result</a>(<span class="keyword">const</span> <a class="code" href="classTry.html">Try&lt;T&gt;</a>&amp; _t)</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; : data(_t.<a class="code" href="classResult.html#a85eaa52037223d71092e65701c166562">isSome</a>() ?</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <a class="code" href="classTry.html">Try</a>&lt;<a class="code" href="classOption.html">Option</a>&lt;T&gt;&gt;(<a class="code" href="some_8hpp.html#a2048f5c3b4ee79448c012cf6dc82a020">Some</a>(_t.<a class="code" href="classResult.html#aedf79f3b14dcda5791b84a64ada4d412">get</a>())) :</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <a class="code" href="classTry.html">Try</a>&lt;<a class="code" href="classOption.html">Option</a>&lt;T&gt;&gt;(<a class="code" href="classError.html">Error</a>(_t.<a class="code" href="classResult.html#af8585c05859b4e912cecb823a856bf38">error</a>()))) {}</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160;</div>
<div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="classResult.html#a915f263c53ab8b80d85f014ebb817fb6"> 81</a></span>&#160; <a class="code" href="classResult.html#a915f263c53ab8b80d85f014ebb817fb6">Result</a>(<span class="keyword">const</span> <a class="code" href="structNone.html">None</a>&amp; <a class="code" href="classResult.html#aa3d926b499dce65b365ea7e31f68514a">none</a>)</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; : data(none) {}</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> U&gt;</div>
<div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="classResult.html#a6b9c26d514e29bbe215f3298c412e2fb"> 85</a></span>&#160; <a class="code" href="classResult.html#a6b9c26d514e29bbe215f3298c412e2fb">Result</a>(<span class="keyword">const</span> <a class="code" href="struct__Some.html">_Some&lt;U&gt;</a>&amp; <a class="code" href="classResult.html#a0a503a3f3549b34b19dc47280d806e90">some</a>)</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; : data(some) {}</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160;</div>
<div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="classResult.html#a04393dc61e3f8972de5106c63f1ea50d"> 88</a></span>&#160; <a class="code" href="classResult.html#a04393dc61e3f8972de5106c63f1ea50d">Result</a>(<span class="keyword">const</span> <a class="code" href="classError.html">Error</a>&amp; <a class="code" href="classResult.html#af8585c05859b4e912cecb823a856bf38">error</a>)</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; : data(error) {}</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;</div>
<div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="classResult.html#afa74b72e992b461ada68c3dee72e498a"> 91</a></span>&#160; <a class="code" href="classResult.html#afa74b72e992b461ada68c3dee72e498a">Result</a>(<span class="keyword">const</span> <a class="code" href="classErrnoError.html">ErrnoError</a>&amp; <a class="code" href="classResult.html#af8585c05859b4e912cecb823a856bf38">error</a>)</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; : data(error) {}</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;<span class="preprocessor">#ifdef __WINDOWS__</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;<span class="preprocessor"></span> <a class="code" href="classResult.html#aef4025c8008853cc7ac9fb4b95dedb58">Result</a>(<span class="keyword">const</span> <a class="code" href="classWindowsError.html">WindowsError</a>&amp; <a class="code" href="classResult.html#af8585c05859b4e912cecb823a856bf38">error</a>)</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; : data(error) {}</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;<span class="preprocessor">#endif // __WINDOWS__</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; <span class="comment">// We don&#39;t need to implement these because we are leveraging</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <span class="comment">// Try&lt;Option&lt;T&gt;&gt;.</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <a class="code" href="classResult.html#aef4025c8008853cc7ac9fb4b95dedb58">Result</a>(<span class="keyword">const</span> <a class="code" href="classResult.html">Result&lt;T&gt;</a>&amp; that) = <span class="keywordflow">default</span>;</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; <a class="code" href="classResult.html#ae02f9998fa42cfcefae3022fa11c077a">~Result</a>() = <span class="keywordflow">default</span>;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; <a class="code" href="classResult.html">Result&lt;T&gt;</a>&amp; <a class="code" href="classResult.html#a796771fd811f190b98476babe0fa460c">operator=</a>(<span class="keyword">const</span> <a class="code" href="classResult.html">Result&lt;T&gt;</a>&amp; that) = <span class="keywordflow">default</span>;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <a class="code" href="classResult.html">Result&lt;T&gt;</a>&amp; <a class="code" href="classResult.html#a796771fd811f190b98476babe0fa460c">operator=</a>(<a class="code" href="classResult.html">Result&lt;T&gt;</a>&amp;&amp; that) = <span class="keywordflow">default</span>;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <span class="comment">// &#39;isSome&#39;, &#39;isNone&#39;, and &#39;isError&#39; are mutually exclusive. They</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; <span class="comment">// correspond to the underlying unioned state of the Option and Try.</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"><a class="line" href="classResult.html#a85eaa52037223d71092e65701c166562"> 108</a></span>&#160; <span class="keywordtype">bool</span> <a class="code" href="classResult.html#a85eaa52037223d71092e65701c166562">isSome</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> data.<a class="code" href="classTry.html#a6543d7d5db4f298bcd673bf3cd509acc">isSome</a>() &amp;&amp; data.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>().isSome(); }</div>
<div class="line"><a name="l00109"></a><span class="lineno"><a class="line" href="classResult.html#ac2cdc0db9f9d29a5bb2f1cf19c29da49"> 109</a></span>&#160; <span class="keywordtype">bool</span> <a class="code" href="classResult.html#ac2cdc0db9f9d29a5bb2f1cf19c29da49">isNone</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> data.<a class="code" href="classTry.html#a6543d7d5db4f298bcd673bf3cd509acc">isSome</a>() &amp;&amp; data.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>().isNone(); }</div>
<div class="line"><a name="l00110"></a><span class="lineno"><a class="line" href="classResult.html#aeca16ad17d299ad885c9b46c83b12a3d"> 110</a></span>&#160; <span class="keywordtype">bool</span> <a class="code" href="classResult.html#aeca16ad17d299ad885c9b46c83b12a3d">isError</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> data.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>(); }</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160;</div>
<div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="classResult.html#aedf79f3b14dcda5791b84a64ada4d412"> 112</a></span>&#160; <span class="keyword">const</span> T&amp; <span class="keyword">get</span>() <span class="keyword">const</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; {</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; <span class="keywordflow">if</span> (!<a class="code" href="classResult.html#a85eaa52037223d71092e65701c166562">isSome</a>()) {</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; std::string errorMessage = <span class="stringliteral">&quot;Result::get() but state == &quot;</span>;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="classResult.html#aeca16ad17d299ad885c9b46c83b12a3d">isError</a>()) {</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; errorMessage += <span class="stringliteral">&quot;ERROR: &quot;</span> + data.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>();</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="classResult.html#ac2cdc0db9f9d29a5bb2f1cf19c29da49">isNone</a>()) {</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; errorMessage += <span class="stringliteral">&quot;NONE&quot;</span>;</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; }</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <a class="code" href="abort_8hpp.html#a4d84a74fe6e4f84bc3d2f901b9e89f93">ABORT</a>(errorMessage);</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; }</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <span class="keywordflow">return</span> data.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>().get();</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; }</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160;</div>
<div class="line"><a name="l00126"></a><span class="lineno"><a class="line" href="classResult.html#a77c85b3ec90f9433fc228e5e7fbf6023"> 126</a></span>&#160; T&amp; <span class="keyword">get</span>()</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; {</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="keywordflow">return</span> <span class="keyword">const_cast&lt;</span>T&amp;<span class="keyword">&gt;</span>(<span class="keyword">static_cast&lt;</span><span class="keyword">const </span><a class="code" href="classResult.html">Result</a>&amp;<span class="keyword">&gt;</span>(*this).<a class="code" href="classResult.html#aedf79f3b14dcda5791b84a64ada4d412">get</a>());</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; }</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;</div>
<div class="line"><a name="l00131"></a><span class="lineno"><a class="line" href="classResult.html#a4a9b579d9529b43cae207fb3aa7b1c0f"> 131</a></span>&#160; <span class="keyword">const</span> T* <a class="code" href="classResult.html#a4a9b579d9529b43cae207fb3aa7b1c0f">operator-&gt;</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> &amp;<span class="keyword">get</span>(); }</div>
<div class="line"><a name="l00132"></a><span class="lineno"><a class="line" href="classResult.html#a4703a38daec2a75b4988ba80af098a6e"> 132</a></span>&#160; T* <a class="code" href="classResult.html#a4703a38daec2a75b4988ba80af098a6e">operator-&gt;</a>() { <span class="keywordflow">return</span> &amp;<span class="keyword">get</span>(); }</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160;</div>
<div class="line"><a name="l00134"></a><span class="lineno"><a class="line" href="classResult.html#af8585c05859b4e912cecb823a856bf38"> 134</a></span>&#160; <span class="keyword">const</span> std::string&amp; <a class="code" href="classResult.html#af8585c05859b4e912cecb823a856bf38">error</a>()<span class="keyword"> const </span>{ assert(<a class="code" href="classResult.html#aeca16ad17d299ad885c9b46c83b12a3d">isError</a>()); <span class="keywordflow">return</span> data.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>(); }</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; <span class="comment">// We leverage Try&lt;Option&lt;T&gt;&gt; to avoid dynamic allocation of T. This</span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; <span class="comment">// means we can take advantage of all the RAII features of &#39;Try&#39; and</span></div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <span class="comment">// makes the implementation of this class much simpler!</span></div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <a class="code" href="classTry.html">Try&lt;Option&lt;T&gt;</a>&gt; data;</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160;};</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160;</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160;<span class="preprocessor">#endif // __STOUT_RESULT_HPP__</span></div>
<div class="ttc" id="classResult_html_ac2cdc0db9f9d29a5bb2f1cf19c29da49"><div class="ttname"><a href="classResult.html#ac2cdc0db9f9d29a5bb2f1cf19c29da49">Result::isNone</a></div><div class="ttdeci">bool isNone() const </div><div class="ttdef"><b>Definition:</b> result.hpp:109</div></div>
<div class="ttc" id="classError_html"><div class="ttname"><a href="classError.html">Error</a></div><div class="ttdef"><b>Definition:</b> errorbase.hpp:35</div></div>
<div class="ttc" id="classResult_html_a6b9c26d514e29bbe215f3298c412e2fb"><div class="ttname"><a href="classResult.html#a6b9c26d514e29bbe215f3298c412e2fb">Result::Result</a></div><div class="ttdeci">Result(const _Some&lt; U &gt; &amp;some)</div><div class="ttdef"><b>Definition:</b> result.hpp:85</div></div>
<div class="ttc" id="classOption_html"><div class="ttname"><a href="classOption.html">Option</a></div><div class="ttdef"><b>Definition:</b> option.hpp:24</div></div>
<div class="ttc" id="abort_8hpp_html_a4d84a74fe6e4f84bc3d2f901b9e89f93"><div class="ttname"><a href="abort_8hpp.html#a4d84a74fe6e4f84bc3d2f901b9e89f93">ABORT</a></div><div class="ttdeci">#define ABORT(...)</div><div class="ttdef"><b>Definition:</b> abort.hpp:40</div></div>
<div class="ttc" id="classResult_html_af88c39bb6eb1271dea96df3e33f16070"><div class="ttname"><a href="classResult.html#af88c39bb6eb1271dea96df3e33f16070">Result::Result</a></div><div class="ttdeci">Result(const Try&lt; T &gt; &amp;_t)</div><div class="ttdef"><b>Definition:</b> result.hpp:76</div></div>
<div class="ttc" id="classResult_html_ae02f9998fa42cfcefae3022fa11c077a"><div class="ttname"><a href="classResult.html#ae02f9998fa42cfcefae3022fa11c077a">Result::~Result</a></div><div class="ttdeci">~Result()=default</div></div>
<div class="ttc" id="classTry_html"><div class="ttname"><a href="classTry.html">Try</a></div><div class="ttdef"><b>Definition:</b> try.hpp:34</div></div>
<div class="ttc" id="classResult_html_a457818fb4e681c1451de3b85caa23f1a"><div class="ttname"><a href="classResult.html#a457818fb4e681c1451de3b85caa23f1a">Result::Result</a></div><div class="ttdeci">Result(const U &amp;u)</div><div class="ttdef"><b>Definition:</b> result.hpp:68</div></div>
<div class="ttc" id="classResult_html_a521adf96f5c27d26d6b1d580aae8aaee"><div class="ttname"><a href="classResult.html#a521adf96f5c27d26d6b1d580aae8aaee">Result::error</a></div><div class="ttdeci">static Result&lt; T &gt; error(const std::string &amp;message)</div><div class="ttdef"><b>Definition:</b> result.hpp:53</div></div>
<div class="ttc" id="some_8hpp_html"><div class="ttname"><a href="some_8hpp.html">some.hpp</a></div></div>
<div class="ttc" id="classWindowsError_html"><div class="ttname"><a href="classWindowsError.html">WindowsError</a></div><div class="ttdef"><b>Definition:</b> error.hpp:105</div></div>
<div class="ttc" id="classResult_html_a796771fd811f190b98476babe0fa460c"><div class="ttname"><a href="classResult.html#a796771fd811f190b98476babe0fa460c">Result::operator=</a></div><div class="ttdeci">Result&lt; T &gt; &amp; operator=(const Result&lt; T &gt; &amp;that)=default</div></div>
<div class="ttc" id="none_8hpp_html"><div class="ttname"><a href="none_8hpp.html">none.hpp</a></div></div>
<div class="ttc" id="classErrnoError_html"><div class="ttname"><a href="classErrnoError.html">ErrnoError</a></div><div class="ttdef"><b>Definition:</b> errorbase.hpp:44</div></div>
<div class="ttc" id="classResult_html_a4a9b579d9529b43cae207fb3aa7b1c0f"><div class="ttname"><a href="classResult.html#a4a9b579d9529b43cae207fb3aa7b1c0f">Result::operator-&gt;</a></div><div class="ttdeci">const T * operator-&gt;() const </div><div class="ttdef"><b>Definition:</b> result.hpp:131</div></div>
<div class="ttc" id="classResult_html"><div class="ttname"><a href="classResult.html">Result</a></div><div class="ttdef"><b>Definition:</b> result.hpp:40</div></div>
<div class="ttc" id="classResult_html_a915f263c53ab8b80d85f014ebb817fb6"><div class="ttname"><a href="classResult.html#a915f263c53ab8b80d85f014ebb817fb6">Result::Result</a></div><div class="ttdeci">Result(const None &amp;none)</div><div class="ttdef"><b>Definition:</b> result.hpp:81</div></div>
<div class="ttc" id="classResult_html_aef4025c8008853cc7ac9fb4b95dedb58"><div class="ttname"><a href="classResult.html#aef4025c8008853cc7ac9fb4b95dedb58">Result::Result</a></div><div class="ttdeci">Result(const T &amp;_t)</div><div class="ttdef"><b>Definition:</b> result.hpp:58</div></div>
<div class="ttc" id="classResult_html_a04393dc61e3f8972de5106c63f1ea50d"><div class="ttname"><a href="classResult.html#a04393dc61e3f8972de5106c63f1ea50d">Result::Result</a></div><div class="ttdeci">Result(const Error &amp;error)</div><div class="ttdef"><b>Definition:</b> result.hpp:88</div></div>
<div class="ttc" id="classResult_html_a61f7a8612af4b813816ddd01247d4b66"><div class="ttname"><a href="classResult.html#a61f7a8612af4b813816ddd01247d4b66">Result::Result</a></div><div class="ttdeci">Result(T &amp;&amp;_t)</div><div class="ttdef"><b>Definition:</b> result.hpp:61</div></div>
<div class="ttc" id="struct__Some_html"><div class="ttname"><a href="struct__Some.html">_Some</a></div><div class="ttdef"><b>Definition:</b> some.hpp:33</div></div>
<div class="ttc" id="classResult_html_a0a503a3f3549b34b19dc47280d806e90"><div class="ttname"><a href="classResult.html#a0a503a3f3549b34b19dc47280d806e90">Result::some</a></div><div class="ttdeci">static Result&lt; T &gt; some(const T &amp;t)</div><div class="ttdef"><b>Definition:</b> result.hpp:48</div></div>
<div class="ttc" id="classTry_html_a6543d7d5db4f298bcd673bf3cd509acc"><div class="ttname"><a href="classTry.html#a6543d7d5db4f298bcd673bf3cd509acc">Try::isSome</a></div><div class="ttdeci">bool isSome() const </div><div class="ttdef"><b>Definition:</b> try.hpp:70</div></div>
<div class="ttc" id="classResult_html_aedf79f3b14dcda5791b84a64ada4d412"><div class="ttname"><a href="classResult.html#aedf79f3b14dcda5791b84a64ada4d412">Result::get</a></div><div class="ttdeci">const T &amp; get() const </div><div class="ttdef"><b>Definition:</b> result.hpp:112</div></div>
<div class="ttc" id="option_8hpp_html"><div class="ttname"><a href="option_8hpp.html">option.hpp</a></div></div>
<div class="ttc" id="abort_8hpp_html"><div class="ttname"><a href="abort_8hpp.html">abort.hpp</a></div></div>
<div class="ttc" id="classTry_html_aec4a11ddd3c036e889d90b7eb6258ba7"><div class="ttname"><a href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">Try::error</a></div><div class="ttdeci">static Try error(const E &amp;e)</div><div class="ttdef"><b>Definition:</b> try.hpp:42</div></div>
<div class="ttc" id="classResult_html_a4703a38daec2a75b4988ba80af098a6e"><div class="ttname"><a href="classResult.html#a4703a38daec2a75b4988ba80af098a6e">Result::operator-&gt;</a></div><div class="ttdeci">T * operator-&gt;()</div><div class="ttdef"><b>Definition:</b> result.hpp:132</div></div>
<div class="ttc" id="some_8hpp_html_a2048f5c3b4ee79448c012cf6dc82a020"><div class="ttname"><a href="some_8hpp.html#a2048f5c3b4ee79448c012cf6dc82a020">Some</a></div><div class="ttdeci">_Some&lt; typename std::decay&lt; T &gt;::type &gt; Some(T &amp;&amp;t)</div><div class="ttdef"><b>Definition:</b> some.hpp:42</div></div>
<div class="ttc" id="error_8hpp_html"><div class="ttname"><a href="error_8hpp.html">error.hpp</a></div></div>
<div class="ttc" id="structNone_html"><div class="ttname"><a href="structNone.html">None</a></div><div class="ttdef"><b>Definition:</b> none.hpp:27</div></div>
<div class="ttc" id="classTry_html_a0b98f95163b8a38daafd1651b043a276"><div class="ttname"><a href="classTry.html#a0b98f95163b8a38daafd1651b043a276">Try::isError</a></div><div class="ttdeci">bool isError() const </div><div class="ttdef"><b>Definition:</b> try.hpp:71</div></div>
<div class="ttc" id="try_8hpp_html"><div class="ttname"><a href="try_8hpp.html">try.hpp</a></div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1fs_html_a2343e2642db514496ba8380776487fba"><div class="ttname"><a href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">mesos::internal::fs::type</a></div><div class="ttdeci">Try&lt; uint32_t &gt; type(const std::string &amp;path)</div></div>
<div class="ttc" id="classResult_html_a85eaa52037223d71092e65701c166562"><div class="ttname"><a href="classResult.html#a85eaa52037223d71092e65701c166562">Result::isSome</a></div><div class="ttdeci">bool isSome() const </div><div class="ttdef"><b>Definition:</b> result.hpp:108</div></div>
<div class="ttc" id="classResult_html_aeca16ad17d299ad885c9b46c83b12a3d"><div class="ttname"><a href="classResult.html#aeca16ad17d299ad885c9b46c83b12a3d">Result::isError</a></div><div class="ttdeci">bool isError() const </div><div class="ttdef"><b>Definition:</b> result.hpp:110</div></div>
<div class="ttc" id="classResult_html_afa74b72e992b461ada68c3dee72e498a"><div class="ttname"><a href="classResult.html#afa74b72e992b461ada68c3dee72e498a">Result::Result</a></div><div class="ttdeci">Result(const ErrnoError &amp;error)</div><div class="ttdef"><b>Definition:</b> result.hpp:91</div></div>
<div class="ttc" id="classResult_html_af8585c05859b4e912cecb823a856bf38"><div class="ttname"><a href="classResult.html#af8585c05859b4e912cecb823a856bf38">Result::error</a></div><div class="ttdeci">const std::string &amp; error() const </div><div class="ttdef"><b>Definition:</b> result.hpp:134</div></div>
<div class="ttc" id="classTry_html_a7be0768038e0628632492edf6cc1515a"><div class="ttname"><a href="classTry.html#a7be0768038e0628632492edf6cc1515a">Try::get</a></div><div class="ttdeci">const T &amp; get() const </div><div class="ttdef"><b>Definition:</b> try.hpp:73</div></div>
<div class="ttc" id="classResult_html_aa3d926b499dce65b365ea7e31f68514a"><div class="ttname"><a href="classResult.html#aa3d926b499dce65b365ea7e31f68514a">Result::none</a></div><div class="ttdeci">static Result&lt; T &gt; none()</div><div class="ttdef"><b>Definition:</b> result.hpp:43</div></div>
<div class="ttc" id="classResult_html_aed2b0016c27824c33bf0eb0035191eda"><div class="ttname"><a href="classResult.html#aed2b0016c27824c33bf0eb0035191eda">Result::Result</a></div><div class="ttdeci">Result(const Option&lt; T &gt; &amp;option)</div><div class="ttdef"><b>Definition:</b> result.hpp:71</div></div>
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