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<li class="navelem"><a class="el" href="dir_8cab8f464681f7cc51cee77e79a434cd.html">3rdparty</a></li><li class="navelem"><a class="el" href="dir_aa547de1d719d14adccfca1dfb1735b3.html">stout</a></li><li class="navelem"><a class="el" href="dir_1a1b923d951dd999d43396870333fc33.html">include</a></li><li class="navelem"><a class="el" href="dir_dbd52553d038069c1ed93e3477ea333d.html">stout</a></li> </ul>
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<div class="title">check.hpp</div> </div>
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<a href="stout_2include_2stout_2check_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_CHECK_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_CHECK_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;ostream&gt;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#include &lt;sstream&gt;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &lt;glog/logging.h&gt;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</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="l00023"></a><span class="lineno"> 23</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="l00024"></a><span class="lineno"> 24</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="l00025"></a><span class="lineno"> 25</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="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="result_8hpp.html">stout/result.hpp</a>&gt;</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</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="l00028"></a><span class="lineno"> 28</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="l00029"></a><span class="lineno"> 29</span>&#160;</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="comment">// A generic macro to faciliate definitions of CHECK_*, akin to CHECK.</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="comment">// This appends the error if possible to the end of the log message,</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="comment">// so there&#39;s no need to append the error message explicitly.</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="comment">// To define a new CHECK_*, provide the name, the function that performs the</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="comment">// check, and the expression. See below for examples (e.g. CHECK_SOME).</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="stout_2include_2stout_2check_8hpp.html#a3a516e0b5cf1a5447ce430ab586393e1"> 35</a></span>&#160;<span class="preprocessor">#define CHECK_STATE(name, check, expression) \</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="preprocessor"> for (const Option&lt;Error&gt; _error = check(expression); _error.isSome();) \</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="preprocessor"> _CheckFatal(__FILE__, \</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="preprocessor"> __LINE__, \</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;<span class="preprocessor"> #name, \</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;<span class="preprocessor"> #expression, \</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="preprocessor"> _error.get()).stream()</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;</div>
<div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="stout_2include_2stout_2check_8hpp.html#aee320e7c6e107071f4b85d4cc135a265"> 44</a></span>&#160;<span class="preprocessor">#define CHECK_SOME(expression) \</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;<span class="preprocessor"> CHECK_STATE(CHECK_SOME, _check_some, expression)</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;<span class="preprocessor"></span></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="stout_2include_2stout_2check_8hpp.html#ab8738e43a60086f3b434c0278933e85e"> 48</a></span>&#160;<span class="preprocessor">#define CHECK_NONE(expression) \</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;<span class="preprocessor"> CHECK_STATE(CHECK_NONE, _check_none, expression)</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;<span class="preprocessor"></span></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"><a class="line" href="stout_2include_2stout_2check_8hpp.html#a7d338bde94559d47319226f4ccbc0bda"> 52</a></span>&#160;<span class="preprocessor">#define CHECK_ERROR(expression) \</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;<span class="preprocessor"> CHECK_STATE(CHECK_ERROR, _check_error, expression)</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;<span class="comment">// Private structs/functions used for CHECK_*.</span></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"> 58</span>&#160;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="stout_2include_2stout_2check_8hpp.html#a9c7cd7e7078583b31c6071a22960d070"> 60</a></span>&#160;<a class="code" href="classOption.html">Option&lt;Error&gt;</a> <a class="code" href="stout_2include_2stout_2check_8hpp.html#a9c7cd7e7078583b31c6071a22960d070">_check_some</a>(<span class="keyword">const</span> <a class="code" href="classOption.html">Option&lt;T&gt;</a>&amp; o)</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;{</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="keywordflow">if</span> (o.<a class="code" href="classOption.html#a06eab791122ebc1f8af4ad310e5e7d7e">isNone</a>()) {</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">&quot;is NONE&quot;</span>);</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; CHECK(o.<a class="code" href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">isSome</a>());</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; }</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;}</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;</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"> 71</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="stout_2include_2stout_2check_8hpp.html#a392785867bed883dd17681fa8a1a35e1"> 72</a></span>&#160;<a class="code" href="classOption.html">Option&lt;Error&gt;</a> <a class="code" href="stout_2include_2stout_2check_8hpp.html#a9c7cd7e7078583b31c6071a22960d070">_check_some</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="l00073"></a><span class="lineno"> 73</span>&#160;{</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="keywordflow">if</span> (t.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(t.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; CHECK(t.<a class="code" href="classTry.html#a6543d7d5db4f298bcd673bf3cd509acc">isSome</a>());</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; }</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"> 81</span>&#160;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="stout_2include_2stout_2check_8hpp.html#a067202adf718f9137d709ece5cf81ff2"> 84</a></span>&#160;<a class="code" href="classOption.html">Option&lt;Error&gt;</a> <a class="code" href="stout_2include_2stout_2check_8hpp.html#a9c7cd7e7078583b31c6071a22960d070">_check_some</a>(<span class="keyword">const</span> <a class="code" href="classResult.html">Result&lt;T&gt;</a>&amp; r)</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160;{</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="keywordflow">if</span> (r.<a class="code" href="classResult.html#aeca16ad17d299ad885c9b46c83b12a3d">isError</a>()) {</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(r.<a class="code" href="classResult.html#a521adf96f5c27d26d6b1d580aae8aaee">error</a>());</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (r.<a class="code" href="classResult.html#ac2cdc0db9f9d29a5bb2f1cf19c29da49">isNone</a>()) {</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">&quot;is NONE&quot;</span>);</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; CHECK(r.<a class="code" href="classResult.html#a85eaa52037223d71092e65701c166562">isSome</a>());</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</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;}</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00098"></a><span class="lineno"><a class="line" href="stout_2include_2stout_2check_8hpp.html#aaf5304a02b177169bfa3a16b8ce2bac8"> 98</a></span>&#160;<a class="code" href="classOption.html">Option&lt;Error&gt;</a> <a class="code" href="stout_2include_2stout_2check_8hpp.html#aaf5304a02b177169bfa3a16b8ce2bac8">_check_none</a>(<span class="keyword">const</span> <a class="code" href="classOption.html">Option&lt;T&gt;</a>&amp; o)</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160;{</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <span class="keywordflow">if</span> (o.<a class="code" href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">isSome</a>()) {</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">&quot;is SOME&quot;</span>);</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; CHECK(o.<a class="code" href="classOption.html#a06eab791122ebc1f8af4ad310e5e7d7e">isNone</a>());</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</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;}</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00110"></a><span class="lineno"><a class="line" href="stout_2include_2stout_2check_8hpp.html#a9e64c81e3a741ca8f79597c0c6cb27cd"> 110</a></span>&#160;<a class="code" href="classOption.html">Option&lt;Error&gt;</a> <a class="code" href="stout_2include_2stout_2check_8hpp.html#aaf5304a02b177169bfa3a16b8ce2bac8">_check_none</a>(<span class="keyword">const</span> <a class="code" href="classResult.html">Result&lt;T&gt;</a>&amp; r)</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"> 112</span>&#160; <span class="keywordflow">if</span> (r.<a class="code" href="classResult.html#aeca16ad17d299ad885c9b46c83b12a3d">isError</a>()) {</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">&quot;is ERROR&quot;</span>);</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (r.<a class="code" href="classResult.html#a85eaa52037223d71092e65701c166562">isSome</a>()) {</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">&quot;is SOME&quot;</span>);</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; CHECK(r.<a class="code" href="classResult.html#ac2cdc0db9f9d29a5bb2f1cf19c29da49">isNone</a>());</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; }</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;</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="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00124"></a><span class="lineno"><a class="line" href="stout_2include_2stout_2check_8hpp.html#a695d51d1e8ed5e7e5509241569be0ab4"> 124</a></span>&#160;<a class="code" href="classOption.html">Option&lt;Error&gt;</a> <a class="code" href="stout_2include_2stout_2check_8hpp.html#a695d51d1e8ed5e7e5509241569be0ab4">_check_error</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="l00125"></a><span class="lineno"> 125</span>&#160;{</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <span class="keywordflow">if</span> (t.<a class="code" href="classTry.html#a6543d7d5db4f298bcd673bf3cd509acc">isSome</a>()) {</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">&quot;is SOME&quot;</span>);</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; CHECK(t.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>());</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; }</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;}</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"> 134</span>&#160;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00136"></a><span class="lineno"><a class="line" href="stout_2include_2stout_2check_8hpp.html#a5df80a05fdd271aa9271f495fef900b2"> 136</a></span>&#160;<a class="code" href="classOption.html">Option&lt;Error&gt;</a> <a class="code" href="stout_2include_2stout_2check_8hpp.html#a695d51d1e8ed5e7e5509241569be0ab4">_check_error</a>(<span class="keyword">const</span> <a class="code" href="classResult.html">Result&lt;T&gt;</a>&amp; r)</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160;{</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; <span class="keywordflow">if</span> (r.<a class="code" href="classResult.html#ac2cdc0db9f9d29a5bb2f1cf19c29da49">isNone</a>()) {</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">&quot;is NONE&quot;</span>);</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (r.<a class="code" href="classResult.html#a85eaa52037223d71092e65701c166562">isSome</a>()) {</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">&quot;is SOME&quot;</span>);</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; CHECK(r.<a class="code" href="classResult.html#aeca16ad17d299ad885c9b46c83b12a3d">isError</a>());</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; }</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160;}</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160;</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160;</div>
<div class="line"><a name="l00149"></a><span class="lineno"><a class="line" href="struct__CheckFatal.html"> 149</a></span>&#160;<span class="keyword">struct </span><a class="code" href="struct__CheckFatal.html">_CheckFatal</a></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160;{</div>
<div class="line"><a name="l00151"></a><span class="lineno"><a class="line" href="struct__CheckFatal.html#a3fbad38776418da918f5e20fc2709f85"> 151</a></span>&#160; <a class="code" href="struct__CheckFatal.html#a3fbad38776418da918f5e20fc2709f85">_CheckFatal</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* _file,</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; <span class="keywordtype">int</span> _line,</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; <span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>,</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; <span class="keyword">const</span> <span class="keywordtype">char</span>* expression,</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; <span class="keyword">const</span> <a class="code" href="classError.html">Error</a>&amp; <a class="code" href="namespacemesos_1_1internal_1_1slave_1_1cni_1_1spec.html#ae58e703656ab4a1bd5d9870441236727">error</a>)</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; : <a class="code" href="struct__CheckFatal.html#ab701924cad71a94d73cf80d181f34797">file</a>(_file),</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; <a class="code" href="struct__CheckFatal.html#a1af281107df1da1e4b9ae23d0479a5d6">line</a>(_line)</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; {</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; <a class="code" href="struct__CheckFatal.html#ac36bdde5291698e2c5a2211e3a1a345f">out</a> &lt;&lt; type &lt;&lt; <span class="stringliteral">&quot;(&quot;</span> &lt;&lt; expression &lt;&lt; <span class="stringliteral">&quot;): &quot;</span> &lt;&lt; error.<a class="code" href="classError.html#a2d13609e80acd2a2a473a26f273b1c4f">message</a> &lt;&lt; <span class="stringliteral">&quot; &quot;</span>;</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; }</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160;</div>
<div class="line"><a name="l00162"></a><span class="lineno"><a class="line" href="struct__CheckFatal.html#a2676fe2db31884e70c3b51e3db6051d9"> 162</a></span>&#160; <a class="code" href="struct__CheckFatal.html#a2676fe2db31884e70c3b51e3db6051d9">~_CheckFatal</a>()</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; {</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; google::LogMessageFatal(<a class="code" href="struct__CheckFatal.html#ab701924cad71a94d73cf80d181f34797">file</a>.c_str(), <a class="code" href="struct__CheckFatal.html#a1af281107df1da1e4b9ae23d0479a5d6">line</a>).<a class="code" href="struct__CheckFatal.html#a466cba3d76cfcac25159354c654a282a">stream</a>() &lt;&lt; <a class="code" href="struct__CheckFatal.html#ac36bdde5291698e2c5a2211e3a1a345f">out</a>.str();</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; }</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160;</div>
<div class="line"><a name="l00167"></a><span class="lineno"><a class="line" href="struct__CheckFatal.html#a466cba3d76cfcac25159354c654a282a"> 167</a></span>&#160; std::ostream&amp; <a class="code" href="struct__CheckFatal.html#a466cba3d76cfcac25159354c654a282a">stream</a>()</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; {</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; <span class="keywordflow">return</span> <a class="code" href="struct__CheckFatal.html#ac36bdde5291698e2c5a2211e3a1a345f">out</a>;</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; }</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160;</div>
<div class="line"><a name="l00172"></a><span class="lineno"><a class="line" href="struct__CheckFatal.html#ab701924cad71a94d73cf80d181f34797"> 172</a></span>&#160; <span class="keyword">const</span> std::string <a class="code" href="struct__CheckFatal.html#ab701924cad71a94d73cf80d181f34797">file</a>;</div>
<div class="line"><a name="l00173"></a><span class="lineno"><a class="line" href="struct__CheckFatal.html#a1af281107df1da1e4b9ae23d0479a5d6"> 173</a></span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="struct__CheckFatal.html#a1af281107df1da1e4b9ae23d0479a5d6">line</a>;</div>
<div class="line"><a name="l00174"></a><span class="lineno"><a class="line" href="struct__CheckFatal.html#ac36bdde5291698e2c5a2211e3a1a345f"> 174</a></span>&#160; std::ostringstream <a class="code" href="struct__CheckFatal.html#ac36bdde5291698e2c5a2211e3a1a345f">out</a>;</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160;};</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160;</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160;<span class="preprocessor">#endif // __STOUT_CHECK_HPP__</span></div>
<div class="ttc" id="struct__CheckFatal_html_a466cba3d76cfcac25159354c654a282a"><div class="ttname"><a href="struct__CheckFatal.html#a466cba3d76cfcac25159354c654a282a">_CheckFatal::stream</a></div><div class="ttdeci">std::ostream &amp; stream()</div><div class="ttdef"><b>Definition:</b> check.hpp:167</div></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="stout_2include_2stout_2check_8hpp_html_a9c7cd7e7078583b31c6071a22960d070"><div class="ttname"><a href="stout_2include_2stout_2check_8hpp.html#a9c7cd7e7078583b31c6071a22960d070">_check_some</a></div><div class="ttdeci">Option&lt; Error &gt; _check_some(const Option&lt; T &gt; &amp;o)</div><div class="ttdef"><b>Definition:</b> check.hpp:60</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="classOption_html"><div class="ttname"><a href="classOption.html">Option&lt; Error &gt;</a></div></div>
<div class="ttc" id="struct__CheckFatal_html_a1af281107df1da1e4b9ae23d0479a5d6"><div class="ttname"><a href="struct__CheckFatal.html#a1af281107df1da1e4b9ae23d0479a5d6">_CheckFatal::line</a></div><div class="ttdeci">const int line</div><div class="ttdef"><b>Definition:</b> check.hpp:173</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="struct__CheckFatal_html_ab701924cad71a94d73cf80d181f34797"><div class="ttname"><a href="struct__CheckFatal.html#ab701924cad71a94d73cf80d181f34797">_CheckFatal::file</a></div><div class="ttdeci">const std::string file</div><div class="ttdef"><b>Definition:</b> check.hpp:172</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="none_8hpp_html"><div class="ttname"><a href="none_8hpp.html">none.hpp</a></div></div>
<div class="ttc" id="struct__CheckFatal_html_a2676fe2db31884e70c3b51e3db6051d9"><div class="ttname"><a href="struct__CheckFatal.html#a2676fe2db31884e70c3b51e3db6051d9">_CheckFatal::~_CheckFatal</a></div><div class="ttdeci">~_CheckFatal()</div><div class="ttdef"><b>Definition:</b> check.hpp:162</div></div>
<div class="ttc" id="result_8hpp_html"><div class="ttname"><a href="result_8hpp.html">result.hpp</a></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="classOption_html_a4e3bf8416d95246f43c91f1b5c309323"><div class="ttname"><a href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">Option::isSome</a></div><div class="ttdeci">bool isSome() const </div><div class="ttdef"><b>Definition:</b> option.hpp:108</div></div>
<div class="ttc" id="struct__CheckFatal_html"><div class="ttname"><a href="struct__CheckFatal.html">_CheckFatal</a></div><div class="ttdef"><b>Definition:</b> check.hpp:149</div></div>
<div class="ttc" id="struct__CheckFatal_html_a3fbad38776418da918f5e20fc2709f85"><div class="ttname"><a href="struct__CheckFatal.html#a3fbad38776418da918f5e20fc2709f85">_CheckFatal::_CheckFatal</a></div><div class="ttdeci">_CheckFatal(const char *_file, int _line, const char *type, const char *expression, const Error &amp;error)</div><div class="ttdef"><b>Definition:</b> check.hpp:151</div></div>
<div class="ttc" id="stout_2include_2stout_2check_8hpp_html_aaf5304a02b177169bfa3a16b8ce2bac8"><div class="ttname"><a href="stout_2include_2stout_2check_8hpp.html#aaf5304a02b177169bfa3a16b8ce2bac8">_check_none</a></div><div class="ttdeci">Option&lt; Error &gt; _check_none(const Option&lt; T &gt; &amp;o)</div><div class="ttdef"><b>Definition:</b> check.hpp:98</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="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="stout_2include_2stout_2check_8hpp_html_a695d51d1e8ed5e7e5509241569be0ab4"><div class="ttname"><a href="stout_2include_2stout_2check_8hpp.html#a695d51d1e8ed5e7e5509241569be0ab4">_check_error</a></div><div class="ttdeci">Option&lt; Error &gt; _check_error(const Try&lt; T &gt; &amp;t)</div><div class="ttdef"><b>Definition:</b> check.hpp:124</div></div>
<div class="ttc" id="classError_html_a2d13609e80acd2a2a473a26f273b1c4f"><div class="ttname"><a href="classError.html#a2d13609e80acd2a2a473a26f273b1c4f">Error::message</a></div><div class="ttdeci">const std::string message</div><div class="ttdef"><b>Definition:</b> errorbase.hpp:40</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="namespacemesos_1_1internal_1_1slave_1_1cni_1_1spec_html_ae58e703656ab4a1bd5d9870441236727"><div class="ttname"><a href="namespacemesos_1_1internal_1_1slave_1_1cni_1_1spec.html#ae58e703656ab4a1bd5d9870441236727">mesos::internal::slave::cni::spec::error</a></div><div class="ttdeci">std::string error(const std::string &amp;msg, uint32_t code)</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="classOption_html_a06eab791122ebc1f8af4ad310e5e7d7e"><div class="ttname"><a href="classOption.html#a06eab791122ebc1f8af4ad310e5e7d7e">Option::isNone</a></div><div class="ttdeci">bool isNone() const </div><div class="ttdef"><b>Definition:</b> option.hpp:109</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="struct__CheckFatal_html_ac36bdde5291698e2c5a2211e3a1a345f"><div class="ttname"><a href="struct__CheckFatal.html#ac36bdde5291698e2c5a2211e3a1a345f">_CheckFatal::out</a></div><div class="ttdeci">std::ostringstream out</div><div class="ttdef"><b>Definition:</b> check.hpp:174</div></div>
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