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From w...@apache.org
Subject [44/51] [partial] arrow-site git commit: Update C++ docs
Date Tue, 23 May 2017 21:25:46 GMT
http://git-wip-us.apache.org/repos/asf/arrow-site/blob/5875f2bc/docs/cpp/buffer_8h_source.html
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-<a href="buffer_8h.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 to the Apache Software Foundation (ASF) under one</span></div>
-<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">// or more contributor license agreements.  See the NOTICE file</span></div>
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-<div class="line"><a name="l00168"></a><span class="lineno"><a class="line" href="classarrow_1_1_buffer_builder.html">  168</a></span>&#160;<span class="keyword">class </span><a class="code" href="visibility_8h.html#a7060b7b5f11fc11ce77a4d30b37619ef">ARROW_EXPORT</a> <a class="code" href="classarrow_1_1_buffer_builder.html">BufferBuilder</a> {</div>
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-<div class="line"><a name="l00174"></a><span class="lineno"><a class="line" href="classarrow_1_1_buffer_builder.html#ae5513e6855e7a49170fd2b9178fa2bc2">  174</a></span>&#160;  <a class="code" href="classarrow_1_1_status.html">Status</a> <a class="code" href="classarrow_1_1_buffer_builder.html#ae5513e6855e7a49170fd2b9178fa2bc2">Resize</a>(int64_t elements) {</div>
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-<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;        <span class="stringliteral">&quot;Convenience buffer append only supports arithmetic types&quot;</span>);</div>
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-<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;    <span class="keyword">auto</span> result = buffer_;</div>
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-<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;  }</div>
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-<div class="line"><a name="l00245"></a><span class="lineno"><a class="line" href="classarrow_1_1_buffer_builder.html#abd87c9b423a1662ba9f0a6c53fb32381">  245</a></span>&#160;  int64_t <a class="code" href="classarrow_1_1_buffer_builder.html#abd87c9b423a1662ba9f0a6c53fb32381">length</a>() { <span class="keywordflow">return</span> size_; }</div>
-<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;</div>
-<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160; <span class="keyword">private</span>:</div>
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-<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;  <a class="code" href="classarrow_1_1_memory_pool.html">MemoryPool</a>* pool_;</div>
-<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;  uint8_t* data_;</div>
-<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;  int64_t capacity_;</div>
-<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;  int64_t size_;</div>
-<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;};</div>
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-<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;</div>
-<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;Status <a class="code" href="visibility_8h.html#a7060b7b5f11fc11ce77a4d30b37619ef">ARROW_EXPORT</a> <a class="code" href="namespacearrow.html#a68e081bce7b9d76706b9baa569c3b47c">AllocateResizableBuffer</a>(</div>
-<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;    MemoryPool* pool, int64_t size, std::shared_ptr&lt;ResizableBuffer&gt;* out);</div>
-<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;</div>
-<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;}  <span class="comment">// namespace arrow</span></div>
-<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;</div>
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-<div class="ttc" id="classarrow_1_1_mutable_buffer_html_a3b01c712ad660aea1b10a0ad2b232ac7"><div class="ttname"><a href="classarrow_1_1_mutable_buffer.html#a3b01c712ad660aea1b10a0ad2b232ac7">arrow::MutableBuffer::MutableBuffer</a></div><div class="ttdeci">MutableBuffer()</div><div class="ttdef"><b>Definition:</b> buffer.h:123</div></div>
+<a href="buffer_8h.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 to the Apache Software Foundation (ASF) under one</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">// or more contributor license agreements.  See the NOTICE file</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">// distributed with this work for additional information</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">// regarding copyright ownership.  The ASF licenses this file</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">// to you under the Apache License, Version 2.0 (the</span></div><div class="line"><a name="l00006"></a><span class=
 "lineno">    6</span>&#160;<span class="comment">// &quot;License&quot;); you may not use this file except in compliance</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">// with the License.  You may obtain a copy of the License at</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">//   http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">// Unless required by applicable law or agreed to in writing,</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">// software distributed un
 der the License is distributed on an</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment">// &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment">// KIND, either express or implied.  See the License for the</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment">// specific language governing permissions and limitations</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment">// under the License.</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">#ifndef ARROW_BUFFER_H</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19<
 /span>&#160;<span class="preprocessor">#define ARROW_BUFFER_H</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;algorithm&gt;</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#include &lt;cstdint&gt;</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor">#include &lt;cstring&gt;</span></div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#include &lt;memory&gt;</span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;</div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="status_8h.html">arrow/status.h</a>&quot;</sp
 an></div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="macros_8h.html">arrow/util/macros.h</a>&quot;</span></div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="visibility_8h.html">arrow/util/visibility.h</a>&quot;</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="keyword">namespace </span><a class="code" href="namespacearrow.html">arrow</a> {</div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="keyword">class </span>MemoryPool;</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="keyword">class
  </span>Status;</div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="comment">// ----------------------------------------------------------------------</span></div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="comment">// Buffer classes</span></div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;</div><div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="classarrow_1_1_buffer.html">   46</a></span>&#160;<span class="keyword">class </span><a class="code" href="visibility_8h.html#a7060b7b5f11fc11ce77a4d30b37619ef">ARROW_EXPORT</a> <a class="code" href="classarrow_1_1_buffer.html">Buffer</a> {</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00048"></a><spa
 n class="lineno"><a class="line" href="classarrow_1_1_buffer.html#a801078c559b0c351f1ca5a6b6a04488f">   48</a></span>&#160;  <a class="code" href="classarrow_1_1_buffer.html#a801078c559b0c351f1ca5a6b6a04488f">Buffer</a>(<span class="keyword">const</span> uint8_t* data, int64_t size)</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;      : is_mutable_(false), data_(data), size_(size), capacity_(size) {}</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;  <span class="keyword">virtual</span> ~<a class="code" href="classarrow_1_1_buffer.html">Buffer</a>();</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;</div><div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="classarrow_1_1_buffer.html#af4fd71c2df93484b86a3ab1924193b05">   59</a></span>&#160;  <a class="code" href="classarrow_1_1_buffer.html#af4fd71c2df93484b86a3ab1924193b05">Buffer</a>(<span class="keywo
 rd">const</span> std::shared_ptr&lt;Buffer&gt;&amp; parent, int64_t offset, int64_t size)</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;      : <a class="code" href="classarrow_1_1_buffer.html">Buffer</a>(parent-&gt;data() + offset, size) {</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    parent_ = parent;</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;  }</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"><a class="line" href="classarrow_1_1_buffer.html#a8244f9c354364788161f11bedc6f2ab9">   64</a></span>&#160;  <span class="keywordtype">bool</span> <a class="code" href="classarrow_1_1_buffer.html#a8244f9c354364788161f11bedc6f2ab9">is_mutable</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> is_mutable_; }</div><div class="line"><a name="l00065"
 ></a><span class="lineno">   65</span>&#160;</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;  <span class="keywordtype">bool</span> Equals(<span class="keyword">const</span> <a class="code" href="classarrow_1_1_buffer.html">Buffer</a>&amp; other, int64_t nbytes) <span class="keyword">const</span>;</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;  <span class="keywordtype">bool</span> Equals(<span class="keyword">const</span> <a class="code" href="classarrow_1_1_buffer.html">Buffer</a>&amp; other) <span class="keyword">const</span>;</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;  <a class="code" href="classarrow_1_1_status.html">Status</a> Copy(int64_t start, int64_t nbytes, <a class="code" href="classarrow_1_1_memory_pool.html">MemoryPool</a>* pool,</div><div class="line"><a name="l00073"></a><
 span class="lineno">   73</span>&#160;      std::shared_ptr&lt;Buffer&gt;* out) <span class="keyword">const</span>;</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;  <a class="code" href="classarrow_1_1_status.html">Status</a> Copy(int64_t start, int64_t nbytes, std::shared_ptr&lt;Buffer&gt;* out) <span class="keyword">const</span>;</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;</div><div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="classarrow_1_1_buffer.html#a4c75902129b5f2fb471fd166907361dc">   78</a></span>&#160;  int64_t <a class="code" href="classarrow_1_1_buffer.html#a4c75902129b5f2fb471fd166907361dc">capacity</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> capacity_; }</div><div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="cl
 assarrow_1_1_buffer.html#a81c3dd8c11dd804be2ada6df5ce8fad2">   79</a></span>&#160;  <span class="keyword">const</span> uint8_t* <a class="code" href="classarrow_1_1_buffer.html#a81c3dd8c11dd804be2ada6df5ce8fad2">data</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> data_; }</div><div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="classarrow_1_1_buffer.html#a5a9cb9324d3f7e323eb070b553c925aa">   80</a></span>&#160;  uint8_t* <a class="code" href="classarrow_1_1_buffer.html#a5a9cb9324d3f7e323eb070b553c925aa">mutable_data</a>() { <span class="keywordflow">return</span> mutable_data_; }</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"><a class="line" href="classarrow_1_1_buffer.html#a2a49871341c300996a39145d22aa8054">   82</a></span>&#160;  int64_t <a class="code" href="classarrow_1_1_buffer.html#a2a49871341c300996a39145d22aa8
 054">size</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> size_; }</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"><a class="line" href="classarrow_1_1_buffer.html#ac58d818fa0d8a5db215ca858c5e6aece">   84</a></span>&#160;  std::shared_ptr&lt;Buffer&gt; <a class="code" href="classarrow_1_1_buffer.html#ac58d818fa0d8a5db215ca858c5e6aece">parent</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> parent_; }</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="keyword">protected</span>:</div><div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="classarrow_1_1_buffer.html#acfefa777b4d7d6a2f7a8ea23549dac46">   87</a></span>&#160;  <span class="keywordtype">bool</span> <a c
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 ame="l00091"></a><span class="lineno"><a class="line" href="classarrow_1_1_buffer.html#a45ee7f1e21f9f3f4cb8233be8d64731e">   91</a></span>&#160;  int64_t <a class="code" href="classarrow_1_1_buffer.html#a45ee7f1e21f9f3f4cb8233be8d64731e">capacity_</a>;</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;  <span class="comment">// nullptr by default, but may be set</span></div><div class="line"><a name="l00094"></a><span class="lineno"><a class="line" href="classarrow_1_1_buffer.html#a3feb5a490cbd9699837067931476c65b">   94</a></span>&#160;  std::shared_ptr&lt;Buffer&gt; <a class="code" href="classarrow_1_1_buffer.html#a3feb5a490cbd9699837067931476c65b">parent_</a>;</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; <span class="keyword">private</span>:</d
 iv><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;  <a class="code" href="macros_8h.html#af8df3547bfde53a5acb93e2607b0034a">DISALLOW_COPY_AND_ASSIGN</a>(<a class="code" href="classarrow_1_1_buffer.html">Buffer</a>);</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;};</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> std::shared_ptr&lt;Buffer&gt; SliceBuffer(</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;    <span class="keyword">const</span> std::shared_ptr&lt;Buffer&gt;&amp; buffer, int64_t offset, int64_t length) {</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;  <span class="keywordflow">return</span> std::make_shared&lt;Buffer&gt;(buffer, offset, length);</d
 iv><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="l00109"></a><span class="lineno">  109</span>&#160;std::shared_ptr&lt;Buffer&gt; <a class="code" href="visibility_8h.html#a7060b7b5f11fc11ce77a4d30b37619ef">ARROW_EXPORT</a> <a class="code" href="namespacearrow.html#a21c0a6e906a9b23fcd7a823c7a46d6b4">SliceMutableBuffer</a>(</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;    <span class="keyword">const</span> std::shared_ptr&lt;Buffer&gt;&amp; buffer, int64_t offset, int64_t length);</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;</div><div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="classarrow_1_1_mutable_buffer.html">  113</a></span>&#160;<span class="keyword">class </span><a class="code" href="visibility_8h.html#a7060b7b5f11fc11ce77
 a4d30b37619ef">ARROW_EXPORT</a> <a class="code" href="classarrow_1_1_mutable_buffer.html">MutableBuffer</a> : <span class="keyword">public</span> <a class="code" href="classarrow_1_1_buffer.html">Buffer</a> {</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00115"></a><span class="lineno"><a class="line" href="classarrow_1_1_mutable_buffer.html#ae5484cdf9af52f3740bf4b5f1888b38f">  115</a></span>&#160;  <a class="code" href="classarrow_1_1_mutable_buffer.html#ae5484cdf9af52f3740bf4b5f1888b38f">MutableBuffer</a>(uint8_t* data, int64_t size) : <a class="code" href="classarrow_1_1_buffer.html">Buffer</a>(data, size) {</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;    mutable_data_ = data;</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;    is_mutable_ = <span class="keyword">true</span>;</div><div class="line"><a
  name="l00118"></a><span class="lineno">  118</span>&#160;  }</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;  <a class="code" href="classarrow_1_1_mutable_buffer.html">MutableBuffer</a>(<span class="keyword">const</span> std::shared_ptr&lt;Buffer&gt;&amp; parent, int64_t offset, int64_t size);</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; <span class="keyword">protected</span>:</div><div class="line"><a name="l00123"></a><span class="lineno"><a class="line" href="classarrow_1_1_mutable_buffer.html#a3b01c712ad660aea1b10a0ad2b232ac7">  123</a></span>&#160;  <a class="code" href="classarrow_1_1_mutable_buffer.html#a3b01c712ad660aea1b10a0ad2b232ac7">MutableBuffer</a>() : <a class="code" href="classarrow_1_1_buffer.html">Buffer</a>(nullptr, 0) {}</d
 iv><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="classarrow_1_1_resizable_buffer.html">  126</a></span>&#160;<span class="keyword">class </span><a class="code" href="visibility_8h.html#a7060b7b5f11fc11ce77a4d30b37619ef">ARROW_EXPORT</a> <a class="code" href="classarrow_1_1_resizable_buffer.html">ResizableBuffer</a> : <span class="keyword">public</span> <a class="code" href="classarrow_1_1_mutable_buffer.html">MutableBuffer</a> {</div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;  <span class="keyword">virtual</span> <a class="code" href="classarrow_1_1_status.html">Status</a> Resize(int64_t new_size, <span class="keywordtype">boo
 l</span> shrink_to_fit = <span class="keyword">true</span>) = 0;</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;  <span class="keyword">virtual</span> <a class="code" href="classarrow_1_1_status.html">Status</a> Reserve(int64_t new_capacity) = 0;</div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00142"></a><span class="lineno"><a class="line" href="classarrow_1_1_resizable_buffer.html#a1112c5344bc770e927eef31d4c0187b2">  142</a></span>&#160;  <a class="code" href="classarrow_1_1_status.html">Status</a> <a class="code" href="classarrow_1_1_resizable_buffer.html#a1112c5344bc770e927eef31d4c0187b2">TypedResize</a>(int64_t new_nb_elements,
  <span class="keywordtype">bool</span> shrink_to_fit = <span class="keyword">true</span>) {</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;    <span class="keywordflow">return</span> Resize(<span class="keyword">sizeof</span>(T) * new_nb_elements, shrink_to_fit);</div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;  }</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;  <span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00147"></a><span class="lineno"><a class="line" href="classarrow_1_1_resizable_buffer.html#af38b01cff76a88738fce6bc19cdc84d6">  147</a></span>&#160;  <a class="code" href="classarrow_1_1_status.html">Status</a> <a class="code" href="classarrow_1_1_resizable_buffer.html#af38b01cff76a88738fce6bc19cdc84d6">TypedReserve</a>(int
 64_t new_nb_elements) {</div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;    <span class="keywordflow">return</span> Reserve(<span class="keyword">sizeof</span>(T) * new_nb_elements);</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;  }</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">  151</span>&#160; <span class="keyword">protected</span>:</div><div class="line"><a name="l00152"></a><span class="lineno"><a class="line" href="classarrow_1_1_resizable_buffer.html#a57de64a67003a42d06a4dc9d48c60857">  152</a></span>&#160;  <a class="code" href="classarrow_1_1_resizable_buffer.html#a57de64a67003a42d06a4dc9d48c60857">ResizableBuffer</a>(uint8_t* data, int64_t size) : <a class="code" href="classarrow_1_1_mutable_buffer.html">MutableBuffer</a>(data, size) {}</div><div class="line"><a name="l00153"></a><span class="lineno">
   153</span>&#160;};</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;</div><div class="line"><a name="l00156"></a><span class="lineno"><a class="line" href="classarrow_1_1_pool_buffer.html">  156</a></span>&#160;<span class="keyword">class </span><a class="code" href="visibility_8h.html#a7060b7b5f11fc11ce77a4d30b37619ef">ARROW_EXPORT</a> <a class="code" href="classarrow_1_1_pool_buffer.html">PoolBuffer</a> : <span class="keyword">public</span> <a class="code" href="classarrow_1_1_resizable_buffer.html">ResizableBuffer</a> {</div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;  <span class="keyword">explicit</span> <a class="code" href="classarrow_1_1_pool_buffer.html">PoolBuffer</a>(<a class="code" href="classarrow_1_1_memory_pool.html">MemoryPool</a>* pool = <span class="keyword">nullptr</span>);</
 div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;  <span class="keyword">virtual</span> ~<a class="code" href="classarrow_1_1_pool_buffer.html">PoolBuffer</a>();</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;  <a class="code" href="classarrow_1_1_status.html">Status</a> Resize(int64_t new_size, <span class="keywordtype">bool</span> shrink_to_fit = <span class="keyword">true</span>) <span class="keyword">override</span>;</div><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;  <a class="code" href="classarrow_1_1_status.html">Status</a> Reserve(int64_t new_capacity) <span class="keyword">override</span>;</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; <span class="keyword">private</span>
 :</div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;  <a class="code" href="classarrow_1_1_memory_pool.html">MemoryPool</a>* pool_;</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">  167</span>&#160;</div><div class="line"><a name="l00168"></a><span class="lineno"><a class="line" href="classarrow_1_1_buffer_builder.html">  168</a></span>&#160;<span class="keyword">class </span><a class="code" href="visibility_8h.html#a7060b7b5f11fc11ce77a4d30b37619ef">ARROW_EXPORT</a> <a class="code" href="classarrow_1_1_buffer_builder.html">BufferBuilder</a> {</div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00170"></a><span class="lineno"><a class="line" href="classarrow_1_1_buffer_builder.html#ac574703fa5c840f84056200bc553365a">  170</a></span>&#160;  <span cla
 ss="keyword">explicit</span> <a class="code" href="classarrow_1_1_buffer_builder.html#ac574703fa5c840f84056200bc553365a">BufferBuilder</a>(<a class="code" href="classarrow_1_1_memory_pool.html">MemoryPool</a>* pool)</div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;      : pool_(pool), data_(nullptr), capacity_(0), size_(0) {}</div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;</div><div class="line"><a name="l00174"></a><span class="lineno"><a class="line" href="classarrow_1_1_buffer_builder.html#ae5513e6855e7a49170fd2b9178fa2bc2">  174</a></span>&#160;  <a class="code" href="classarrow_1_1_status.html">Status</a> <a class="code" href="classarrow_1_1_buffer_builder.html#ae5513e6855e7a49170fd2b9178fa2bc2">Resize</a>(int64_t elements) {</div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;    <span class="comment">// Resize(0) is a no-op</span></div><div class="line"><a name="l00176"></a><s
 pan class="lineno">  176</span>&#160;    <span class="keywordflow">if</span> (elements == 0) { <span class="keywordflow">return</span> <a class="code" href="classarrow_1_1_status.html#a5c0b0031db6eeec3dcc70485d24cfe03">Status::OK</a>(); }</div><div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;    <span class="keywordflow">if</span> (capacity_ == 0) { buffer_ = std::make_shared&lt;PoolBuffer&gt;(pool_); }</div><div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;    int64_t old_capacity = capacity_;</div><div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;    <a class="code" href="status_8h.html#a0a03bcf7fdbd9a96c67afa05fc0a545d">RETURN_NOT_OK</a>(buffer_-&gt;Resize(elements));</div><div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;    capacity_ = buffer_-&gt;capacity();</div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;    data_ = buffer_-&gt;mu
 table_data();</div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;    <span class="keywordflow">if</span> (capacity_ &gt; old_capacity) {</div><div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;      memset(data_ + old_capacity, 0, capacity_ - old_capacity);</div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;    }</div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="classarrow_1_1_status.html#a5c0b0031db6eeec3dcc70485d24cfe03">Status::OK</a>();</div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;  }</div><div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;</div><div class="line"><a name="l00188"></a><span class="lineno"><a class="line" href="classarrow_1_1_buffer_builder.html#a861a36589ea59cee1125d3251bfae30c">  188</a></span>&#160;  <a class="
 code" href="classarrow_1_1_status.html">Status</a> <a class="code" href="classarrow_1_1_buffer_builder.html#a861a36589ea59cee1125d3251bfae30c">Append</a>(<span class="keyword">const</span> uint8_t* data, int64_t length) {</div><div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;    <span class="keywordflow">if</span> (capacity_ &lt; length + size_) { <a class="code" href="status_8h.html#a0a03bcf7fdbd9a96c67afa05fc0a545d">RETURN_NOT_OK</a>(Resize(length + size_)); }</div><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;    UnsafeAppend(data, length);</div><div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="classarrow_1_1_status.html#a5c0b0031db6eeec3dcc70485d24cfe03">Status::OK</a>();</div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;  }</div><div class="line"><a name="l00193"></a><span class="lineno">  193
 </span>&#160;</div><div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;  <span class="comment">// Advance pointer and zero out memory</span></div><div class="line"><a name="l00195"></a><span class="lineno"><a class="line" href="classarrow_1_1_buffer_builder.html#aeb244237aa429582fbe9812e261eced0">  195</a></span>&#160;  <a class="code" href="classarrow_1_1_status.html">Status</a> <a class="code" href="classarrow_1_1_buffer_builder.html#aeb244237aa429582fbe9812e261eced0">Advance</a>(int64_t length) {</div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;    <span class="keywordflow">if</span> (capacity_ &lt; length + size_) { <a class="code" href="status_8h.html#a0a03bcf7fdbd9a96c67afa05fc0a545d">RETURN_NOT_OK</a>(Resize(length + size_)); }</div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;    memset(data_ + size_, 0, static_cast&lt;size_t&gt;(length));</div><div class="line"><a name="l00198"></a>
 <span class="lineno">  198</span>&#160;    size_ += length;</div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="classarrow_1_1_status.html#a5c0b0031db6eeec3dcc70485d24cfe03">Status::OK</a>();</div><div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;  }</div><div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;</div><div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00203"></a><span class="lineno"><a class="line" href="classarrow_1_1_buffer_builder.html#af6701776830a9f1663383d21da945fb4">  203</a></span>&#160;  <a class="code" href="classarrow_1_1_status.html">Status</a> <a class="code" href="classarrow_1_1_buffer_builder.html#af6701776830a9f1663383d21da945fb4">Append</a>(T arithmetic_value) {
 </div><div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;    static_assert(std::is_arithmetic&lt;T&gt;::value,</div><div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;        <span class="stringliteral">&quot;Convenience buffer append only supports arithmetic types&quot;</span>);</div><div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;    <span class="keywordflow">return</span> Append(reinterpret_cast&lt;uint8_t*&gt;(&amp;arithmetic_value), <span class="keyword">sizeof</span>(T));</div><div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;  }</div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;</div><div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00210"></a><span class="lineno"><a class="line" href="c
 lassarrow_1_1_buffer_builder.html#a409caa84f0c679ce92305956b65f39e5">  210</a></span>&#160;  <a class="code" href="classarrow_1_1_status.html">Status</a> <a class="code" href="classarrow_1_1_buffer_builder.html#a409caa84f0c679ce92305956b65f39e5">Append</a>(<span class="keyword">const</span> T* arithmetic_values, int64_t num_elements) {</div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;    static_assert(std::is_arithmetic&lt;T&gt;::value,</div><div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;        <span class="stringliteral">&quot;Convenience buffer append only supports arithmetic types&quot;</span>);</div><div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;    <span class="keywordflow">return</span> Append(</div><div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;        reinterpret_cast&lt;const uint8_t*&gt;(arithmetic_values), num_elements * <span class="keyword">siz
 eof</span>(T));</div><div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;  }</div><div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;</div><div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;  <span class="comment">// Unsafe methods don&#39;t check existing size</span></div><div class="line"><a name="l00218"></a><span class="lineno"><a class="line" href="classarrow_1_1_buffer_builder.html#acb2881c13261f9755518d76ed5c4b9b6">  218</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classarrow_1_1_buffer_builder.html#acb2881c13261f9755518d76ed5c4b9b6">UnsafeAppend</a>(<span class="keyword">const</span> uint8_t* data, int64_t length) {</div><div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;    memcpy(data_ + size_, data, static_cast&lt;size_t&gt;(length));</div><div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;    size_ += lengt
 h;</div><div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;  }</div><div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;</div><div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00224"></a><span class="lineno"><a class="line" href="classarrow_1_1_buffer_builder.html#a39c2421e82515b15f62966e776bfc10c">  224</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classarrow_1_1_buffer_builder.html#a39c2421e82515b15f62966e776bfc10c">UnsafeAppend</a>(T arithmetic_value) {</div><div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;    static_assert(std::is_arithmetic&lt;T&gt;::value,</div><div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;        <span class="stringliteral">&quot;Convenience buffer append only supports 
 arithmetic types&quot;</span>);</div><div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;    UnsafeAppend(reinterpret_cast&lt;uint8_t*&gt;(&amp;arithmetic_value), <span class="keyword">sizeof</span>(T));</div><div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;  }</div><div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;</div><div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00231"></a><span class="lineno"><a class="line" href="classarrow_1_1_buffer_builder.html#ab0cb2ec41eb413fa531d2a7f7e777ebb">  231</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classarrow_1_1_buffer_builder.html#ab0cb2ec41eb413fa531d2a7f7e777ebb">UnsafeAppend</a>(<span class="keyword">const</span> T* arithmetic_values, int64_t num_elements) {</div><div class=
 "line"><a name="l00232"></a><span class="lineno">  232</span>&#160;    static_assert(std::is_arithmetic&lt;T&gt;::value,</div><div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;        <span class="stringliteral">&quot;Convenience buffer append only supports arithmetic types&quot;</span>);</div><div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;    UnsafeAppend(</div><div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;        reinterpret_cast&lt;const uint8_t*&gt;(arithmetic_values), num_elements * <span class="keyword">sizeof</span>(T));</div><div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;  }</div><div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;</div><div class="line"><a name="l00238"></a><span class="lineno"><a class="line" href="classarrow_1_1_buffer_builder.html#ab1c0d5021270dd50cafbded84899655b">  238</a></span>&#160;  std::shared_ptr&lt;B
 uffer&gt; <a class="code" href="classarrow_1_1_buffer_builder.html#ab1c0d5021270dd50cafbded84899655b">Finish</a>() {</div><div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;    <span class="keyword">auto</span> result = buffer_;</div><div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;    buffer_ = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;    capacity_ = size_ = 0;</div><div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;    <span class="keywordflow">return</span> result;</div><div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;  }</div><div class="line"><a name="l00244"></a><span class="lineno"><a class="line" href="classarrow_1_1_buffer_builder.html#afa82200b93003b20848029d8f98026b6">  244</a></span>&#160;  int64_t <a class="code" href="classarrow_1_1_buffer_builder.html#afa82200b93003b20848029d8f98
 026b6">capacity</a>() { <span class="keywordflow">return</span> capacity_; }</div><div class="line"><a name="l00245"></a><span class="lineno"><a class="line" href="classarrow_1_1_buffer_builder.html#abd87c9b423a1662ba9f0a6c53fb32381">  245</a></span>&#160;  int64_t <a class="code" href="classarrow_1_1_buffer_builder.html#abd87c9b423a1662ba9f0a6c53fb32381">length</a>() { <span class="keywordflow">return</span> size_; }</div><div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;</div><div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;  std::shared_ptr&lt;PoolBuffer&gt; buffer_;</div><div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;  <a class="code" href="classarrow_1_1_memory_pool.html">MemoryPool</a>* pool_;</div><div class="line"><a name="l00250"></a><span class="lineno">  250</span>&
 #160;  uint8_t* data_;</div><div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;  int64_t capacity_;</div><div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;  int64_t size_;</div><div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;};</div><div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;</div><div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;<a class="code" href="classarrow_1_1_status.html">Status</a> <a class="code" href="visibility_8h.html#a7060b7b5f11fc11ce77a4d30b37619ef">ARROW_EXPORT</a> <a class="code" href="namespacearrow.html#ab436e4e8cb4bc06c02dc61a1fed65743">AllocateBuffer</a>(</div><div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;    <a class="code" href="classarrow_1_1_memory_pool.html">MemoryPool</a>* pool, int64_t size, std::shared_ptr&lt;MutableBuffer&gt;* out);</div><div class="line"><a name="l00264"></a>
 <span class="lineno">  264</span>&#160;</div><div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;<a class="code" href="classarrow_1_1_status.html">Status</a> <a class="code" href="visibility_8h.html#a7060b7b5f11fc11ce77a4d30b37619ef">ARROW_EXPORT</a> <a class="code" href="namespacearrow.html#a68e081bce7b9d76706b9baa569c3b47c">AllocateResizableBuffer</a>(</div><div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;    <a class="code" href="classarrow_1_1_memory_pool.html">MemoryPool</a>* pool, int64_t size, std::shared_ptr&lt;ResizableBuffer&gt;* out);</div><div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;</div><div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;}  <span class="comment">// namespace arrow</span></div><div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;</div><div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;<span
  class="preprocessor">#endif  // ARROW_BUFFER_H</span></div><div class="ttc" id="classarrow_1_1_mutable_buffer_html_a3b01c712ad660aea1b10a0ad2b232ac7"><div class="ttname"><a href="classarrow_1_1_mutable_buffer.html#a3b01c712ad660aea1b10a0ad2b232ac7">arrow::MutableBuffer::MutableBuffer</a></div><div class="ttdeci">MutableBuffer()</div><div class="ttdef"><b>Definition:</b> buffer.h:123</div></div>
 <div class="ttc" id="classarrow_1_1_mutable_buffer_html_ae5484cdf9af52f3740bf4b5f1888b38f"><div class="ttname"><a href="classarrow_1_1_mutable_buffer.html#ae5484cdf9af52f3740bf4b5f1888b38f">arrow::MutableBuffer::MutableBuffer</a></div><div class="ttdeci">MutableBuffer(uint8_t *data, int64_t size)</div><div class="ttdef"><b>Definition:</b> buffer.h:115</div></div>
-<div class="ttc" id="classarrow_1_1_buffer_html_a5620fd061758d0467d06b0edb783df73"><div class="ttname"><a href="classarrow_1_1_buffer.html#a5620fd061758d0467d06b0edb783df73">arrow::Buffer::size</a></div><div class="ttdeci">int64_t size() const </div><div class="ttdef"><b>Definition:</b> buffer.h:82</div></div>
+<div class="ttc" id="classarrow_1_1_buffer_html_ac58d818fa0d8a5db215ca858c5e6aece"><d

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