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Posted to commits@arrow.apache.org by we...@apache.org on 2018/08/07 01:02:20 UTC
[05/51] [partial] arrow-site git commit: Update documentation for
0.10.0
http://git-wip-us.apache.org/repos/asf/arrow-site/blob/7f9d5fdc/docs/cpp/iterators_8h_source.html
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diff --git a/docs/cpp/iterators_8h_source.html b/docs/cpp/iterators_8h_source.html
index 3c3686b..ef37d22 100644
--- a/docs/cpp/iterators_8h_source.html
+++ b/docs/cpp/iterators_8h_source.html
@@ -70,13 +70,14 @@ $(function() {
<div class="title">iterators.h</div> </div>
</div><!--header-->
<div class="contents">
-<a href="iterators_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> <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> <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> <span class="comment">// distributed with this work for additional information</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <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> <span class="comment">// to you under the Apache License, Version 2.0 (the</span></div><div class="line"><a name="l00006"></a><span cla
ss="lineno"> 6</span> <span class="comment">// "License"); you may not use this file except in compliance</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <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> <span class="comment">//</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <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> <span class="comment">//</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <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> <span class="comment">// software distributed
under the License is distributed on an</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <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> <span class="comment">// specific language governing permissions and limitations</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// under the License.</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#ifndef ARROW_PYTHON_ITERATORS_H</span></div><div class="line"><a name="l00019"></a><span class="l
ineno"> 19</span> <span class="preprocessor">#define ARROW_PYTHON_ITERATORS_H</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <utility></span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "<a class="code" href="arrow_2python_2common_8h.html">arrow/python/common.h</a>"</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "<a class="code" href="numpy-internal_8h.html">arrow/python/numpy-internal.h</a>"</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span
> <span class="keyword">namespace </span><a class="code" href="namespacearrow.html">arrow</a> {</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">namespace </span>py {</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">namespace </span>internal {</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// Visit the Python sequence, calling the given callable on each element.</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// If the callable returns a non-OK status, iteration stops and the status is returned.</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">template</span> <<span class="keyword">class</span> UnaryF
unction></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">inline</span> Status VisitSequence(PyObject* obj, UnaryFunction&& func) {</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keywordflow">if</span> (PyArray_Check(obj)) {</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  PyArrayObject* arr_obj = <span class="keyword">reinterpret_cast<</span>PyArrayObject*<span class="keyword">></span>(obj);</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordflow">if</span> (PyArray_NDIM(arr_obj) != 1) {</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordflow">return</span> <a class="code" href="classarrow_1_1_status.html#aaaa6c0ddc3021415c238ab07353f3195">Status::Invalid</a>(<span class="stringliteral">"Only 1D arrays acc
epted"</span>);</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  }</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">if</span> (PyArray_DESCR(arr_obj)->type_num == NPY_OBJECT) {</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="comment">// It's an array object, we can fetch object pointers directly</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keyword">const</span> Ndarray1DIndexer<PyObject*> objects(arr_obj);</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">for</span> (int64_t i = 0; i < objects.size(); ++i) {</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <a
class="code" href="status_8h.html#a0a03bcf7fdbd9a96c67afa05fc0a545d">RETURN_NOT_OK</a>(func(objects[i]));</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  }</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">return</span> <a class="code" href="classarrow_1_1_status.html#a5c0b0031db6eeec3dcc70485d24cfe03">Status::OK</a>();</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  }</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="comment">// It's a non-object array, fall back on regular sequence access.</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="comment">// (note PyArray_GETITEM() is slightly different: it returns standard</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="comment
">// Python types, not Numpy scalar types)</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="comment">// This code path is inefficient: callers should implement dedicated</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="comment">// logic for non-object arrays.</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  }</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">if</span> (PySequence_Check(obj)) {</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordflow">if</span> (PyList_Check(obj) || PyTuple_Check(obj)) {</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="comment">// Use fast item access</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57
</span>  <span class="keyword">const</span> Py_ssize_t size = PySequence_Fast_GET_SIZE(obj);</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">for</span> (Py_ssize_t i = 0; i < size; ++i) {</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  PyObject* value = PySequence_Fast_GET_ITEM(obj, i);</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <a class="code" href="status_8h.html#a0a03bcf7fdbd9a96c67afa05fc0a545d">RETURN_NOT_OK</a>(func(value));</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  }</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="comment">// Regular sequence: avoid making a potentially large copy</
span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">const</span> Py_ssize_t size = PySequence_Size(obj);</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <a class="code" href="arrow_2python_2common_8h.html#ad99052ac0ced9d8a858bd49d5bfd2ebd">RETURN_IF_PYERROR</a>();</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">for</span> (Py_ssize_t i = 0; i < size; ++i) {</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  OwnedRef value_ref(PySequence_ITEM(obj, i));</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <a class="code" href="arrow_2python_2common_8h.html#ad99052ac0ced9d8a858bd49d5bfd2ebd">RETURN_IF_PYERROR</a>();</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <a class="code" href="status_8h
.html#a0a03bcf7fdbd9a96c67afa05fc0a545d">RETURN_NOT_OK</a>(func(value_ref.obj()));</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  }</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  }</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">return</span> <a class="code" href="classarrow_1_1_status.html#ac618ef5553ac7bd7243461fe3418ce8a">Status::TypeError</a>(<span class="stringliteral">"Object is not a sequence"</span>);</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  }</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">return</span> <a class="code" href="classarrow_1_1_status.html#a5c0b0031db6eeec3dcc70485d24cfe03">Stat
us::OK</a>();</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> }</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment">// Like IterateSequence, but accepts any generic iterable (including</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="comment">// non-restartable iterators, e.g. generators).</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="keyword">template</span> <<span class="keyword">class</span> UnaryFunction></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="keyword">inline</span> Status VisitIterable(PyObject* obj, UnaryFunction&& func) {</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflo
w">if</span> (PySequence_Check(obj)) {</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="comment">// Numpy arrays fall here as well</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">return</span> VisitSequence(obj, std::forward<UnaryFunction>(func));</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  }</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="comment">// Fall back on the iterator protocol</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  OwnedRef iter_ref(PyObject_GetIter(obj));</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  PyObject* iter = iter_ref.obj();</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <a class="code" href="arrow_2python_2common_8h.html
#ad99052ac0ced9d8a858bd49d5bfd2ebd">RETURN_IF_PYERROR</a>();</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  PyObject* value;</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">while</span> ((value = PyIter_Next(iter))) {</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  OwnedRef value_ref(value);</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="code" href="status_8h.html#a0a03bcf7fdbd9a96c67afa05fc0a545d">RETURN_NOT_OK</a>(func(value_ref.obj()));</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  }</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <a class="code" href="arrow_2python_2common_8h.html#ad99052ac0ced9d8a858bd49d5bfd2ebd">RETURN_IF_PYERROR</a>(); <span class="comment">// __next__() might have raised</span></div><div class="
line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">return</span> <a class="code" href="classarrow_1_1_status.html#a5c0b0031db6eeec3dcc70485d24cfe03">Status::OK</a>();</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> }</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> } <span class="comment">// namespace internal</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> } <span class="comment">// namespace py</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> } <span class="comment">// namespace arrow</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="preprocessor">#endif // ARROW_PYTHO
N_ITERATORS_H</span></div><div class="ttc" id="arrow_2python_2common_8h_html"><div class="ttname"><a href="arrow_2python_2common_8h.html">common.h</a></div></div>
+<a href="iterators_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> <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> <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> <span class="comment">// distributed with this work for additional information</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <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> <span class="comment">// to you under the Apache License, Version 2.0 (the</span></div><div class="line"><a name="l00006"></a><span cla
ss="lineno"> 6</span> <span class="comment">// "License"); you may not use this file except in compliance</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <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> <span class="comment">//</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <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> <span class="comment">//</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <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> <span class="comment">// software distributed
under the License is distributed on an</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <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> <span class="comment">// specific language governing permissions and limitations</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// under the License.</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#ifndef ARROW_PYTHON_ITERATORS_H</span></div><div class="line"><a name="l00019"></a><span class="l
ineno"> 19</span> <span class="preprocessor">#define ARROW_PYTHON_ITERATORS_H</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <utility></span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "<a class="code" href="arrow_2python_2common_8h.html">arrow/python/common.h</a>"</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "<a class="code" href="numpy-internal_8h.html">arrow/python/numpy-internal.h</a>"</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span
> <span class="keyword">namespace </span><a class="code" href="namespacearrow.html">arrow</a> {</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">namespace </span>py {</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">namespace </span>internal {</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// Visit the Python sequence, calling the given callable on each element.</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// If the callable returns a non-OK status, iteration stops and the status is returned.</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">template</span> <<span class="keyword">class</span> UnaryF
unction></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">inline</span> Status VisitSequence(<a class="code" href="python__to__arrow_8h.html#ae19630c1f4ca6d5236b30719d9140013">PyObject</a>* obj, UnaryFunction&& func) {</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keywordflow">if</span> (PyArray_Check(obj)) {</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  PyArrayObject* arr_obj = <span class="keyword">reinterpret_cast<</span>PyArrayObject*<span class="keyword">></span>(obj);</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordflow">if</span> (PyArray_NDIM(arr_obj) != 1) {</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordflow">return</span> <a class="code" href="classarrow_1_1_status.html#aaaa6c0ddc3021415c23
8ab07353f3195">Status::Invalid</a>(<span class="stringliteral">"Only 1D arrays accepted"</span>);</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  }</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">if</span> (PyArray_DESCR(arr_obj)->type_num == NPY_OBJECT) {</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="comment">// It's an array object, we can fetch object pointers directly</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keyword">const</span> Ndarray1DIndexer<PyObject*> objects(arr_obj);</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">for</span> (int64_t i = 0; i < objects.size(); ++i) {</div><
div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <a class="code" href="status_8h.html#a0a03bcf7fdbd9a96c67afa05fc0a545d">RETURN_NOT_OK</a>(func(objects[i]));</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  }</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">return</span> <a class="code" href="classarrow_1_1_status.html#a5c0b0031db6eeec3dcc70485d24cfe03">Status::OK</a>();</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  }</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="comment">// It's a non-object array, fall back on regular sequence access.</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="comment">// (note PyArray_GETITEM() is slightly different: it returns standard</span></div><div class="lin
e"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="comment">// Python types, not Numpy scalar types)</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="comment">// This code path is inefficient: callers should implement dedicated</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="comment">// logic for non-object arrays.</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  }</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">if</span> (PySequence_Check(obj)) {</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordflow">if</span> (PyList_Check(obj) || PyTuple_Check(obj)) {</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="comment">// Use fast it
em access</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">const</span> Py_ssize_t size = PySequence_Fast_GET_SIZE(obj);</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">for</span> (Py_ssize_t i = 0; i < size; ++i) {</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <a class="code" href="python__to__arrow_8h.html#ae19630c1f4ca6d5236b30719d9140013">PyObject</a>* value = PySequence_Fast_GET_ITEM(obj, i);</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <a class="code" href="status_8h.html#a0a03bcf7fdbd9a96c67afa05fc0a545d">RETURN_NOT_OK</a>(func(value));</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  }</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  } <span class="keywordflow">else</span>
{</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="comment">// Regular sequence: avoid making a potentially large copy</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">const</span> Py_ssize_t size = PySequence_Size(obj);</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <a class="code" href="arrow_2python_2common_8h.html#ad99052ac0ced9d8a858bd49d5bfd2ebd">RETURN_IF_PYERROR</a>();</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">for</span> (Py_ssize_t i = 0; i < size; ++i) {</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  OwnedRef value_ref(PySequence_ITEM(obj, i));</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <a class="code" href="arrow_2python_2common_8h.html#ad99052a
c0ced9d8a858bd49d5bfd2ebd">RETURN_IF_PYERROR</a>();</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <a class="code" href="status_8h.html#a0a03bcf7fdbd9a96c67afa05fc0a545d">RETURN_NOT_OK</a>(func(value_ref.obj()));</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  }</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  }</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">return</span> <a class="code" href="classarrow_1_1_status.html#ac618ef5553ac7bd7243461fe3418ce8a">Status::TypeError</a>(<span class="stringliteral">"Object is not a sequence"</span>);</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  }</div><div class="line"><a name="l00075"
></a><span class="lineno"> 75</span>  <span class="keywordflow">return</span> <a class="code" href="classarrow_1_1_status.html#a5c0b0031db6eeec3dcc70485d24cfe03">Status::OK</a>();</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> }</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment">// Like IterateSequence, but accepts any generic iterable (including</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="comment">// non-restartable iterators, e.g. generators).</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="keyword">template</span> <<span class="keyword">class</span> UnaryFunction></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="keyword">inline</span> St
atus VisitIterable(<a class="code" href="python__to__arrow_8h.html#ae19630c1f4ca6d5236b30719d9140013">PyObject</a>* obj, UnaryFunction&& func) {</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">if</span> (PySequence_Check(obj)) {</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="comment">// Numpy arrays fall here as well</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">return</span> VisitSequence(obj, std::forward<UnaryFunction>(func));</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  }</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="comment">// Fall back on the iterator protocol</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  OwnedRef iter_ref(PyObject_GetIter(
obj));</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <a class="code" href="python__to__arrow_8h.html#ae19630c1f4ca6d5236b30719d9140013">PyObject</a>* iter = iter_ref.obj();</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <a class="code" href="arrow_2python_2common_8h.html#ad99052ac0ced9d8a858bd49d5bfd2ebd">RETURN_IF_PYERROR</a>();</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <a class="code" href="python__to__arrow_8h.html#ae19630c1f4ca6d5236b30719d9140013">PyObject</a>* value;</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">while</span> ((value = PyIter_Next(iter))) {</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  OwnedRef value_ref(value);</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="code" href="status_8h.html#a0a03
bcf7fdbd9a96c67afa05fc0a545d">RETURN_NOT_OK</a>(func(value_ref.obj()));</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  }</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <a class="code" href="arrow_2python_2common_8h.html#ad99052ac0ced9d8a858bd49d5bfd2ebd">RETURN_IF_PYERROR</a>(); <span class="comment">// __next__() might have raised</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">return</span> <a class="code" href="classarrow_1_1_status.html#a5c0b0031db6eeec3dcc70485d24cfe03">Status::OK</a>();</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> }</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> } <span class="comment">// namespace internal</span></div><div class="line"><a name="l00100"></a><s
pan class="lineno"> 100</span> } <span class="comment">// namespace py</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> } <span class="comment">// namespace arrow</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="preprocessor">#endif // ARROW_PYTHON_ITERATORS_H</span></div><div class="ttc" id="arrow_2python_2common_8h_html"><div class="ttname"><a href="arrow_2python_2common_8h.html">common.h</a></div></div>
<div class="ttc" id="arrow_2python_2common_8h_html_ad99052ac0ced9d8a858bd49d5bfd2ebd"><div class="ttname"><a href="arrow_2python_2common_8h.html#ad99052ac0ced9d8a858bd49d5bfd2ebd">RETURN_IF_PYERROR</a></div><div class="ttdeci">#define RETURN_IF_PYERROR()</div><div class="ttdef"><b>Definition:</b> common.h:53</div></div>
-<div class="ttc" id="status_8h_html_a0a03bcf7fdbd9a96c67afa05fc0a545d"><div class="ttname"><a href="status_8h.html#a0a03bcf7fdbd9a96c67afa05fc0a545d">RETURN_NOT_OK</a></div><div class="ttdeci">#define RETURN_NOT_OK(s)</div><div class="ttdef"><b>Definition:</b> status.h:43</div></div>
-<div class="ttc" id="classarrow_1_1_status_html_a5c0b0031db6eeec3dcc70485d24cfe03"><div class="ttname"><a href="classarrow_1_1_status.html#a5c0b0031db6eeec3dcc70485d24cfe03">arrow::Status::OK</a></div><div class="ttdeci">static Status OK()</div><div class="ttdef"><b>Definition:</b> status.h:106</div></div>
+<div class="ttc" id="status_8h_html_a0a03bcf7fdbd9a96c67afa05fc0a545d"><div class="ttname"><a href="status_8h.html#a0a03bcf7fdbd9a96c67afa05fc0a545d">RETURN_NOT_OK</a></div><div class="ttdeci">#define RETURN_NOT_OK(s)</div><div class="ttdef"><b>Definition:</b> status.h:44</div></div>
+<div class="ttc" id="classarrow_1_1_status_html_a5c0b0031db6eeec3dcc70485d24cfe03"><div class="ttname"><a href="classarrow_1_1_status.html#a5c0b0031db6eeec3dcc70485d24cfe03">arrow::Status::OK</a></div><div class="ttdeci">static Status OK()</div><div class="ttdef"><b>Definition:</b> status.h:123</div></div>
<div class="ttc" id="numpy-internal_8h_html"><div class="ttname"><a href="numpy-internal_8h.html">numpy-internal.h</a></div></div>
-<div class="ttc" id="classarrow_1_1_status_html_aaaa6c0ddc3021415c238ab07353f3195"><div class="ttname"><a href="classarrow_1_1_status.html#aaaa6c0ddc3021415c238ab07353f3195">arrow::Status::Invalid</a></div><div class="ttdeci">static Status Invalid(const std::string &msg)</div><div class="ttdef"><b>Definition:</b> status.h:129</div></div>
-<div class="ttc" id="classarrow_1_1_status_html_ac618ef5553ac7bd7243461fe3418ce8a"><div class="ttname"><a href="classarrow_1_1_status.html#ac618ef5553ac7bd7243461fe3418ce8a">arrow::Status::TypeError</a></div><div class="ttdeci">static Status TypeError(const std::string &msg)</div><div class="ttdef"><b>Definition:</b> status.h:117</div></div>
+<div class="ttc" id="classarrow_1_1_status_html_aaaa6c0ddc3021415c238ab07353f3195"><div class="ttname"><a href="classarrow_1_1_status.html#aaaa6c0ddc3021415c238ab07353f3195">arrow::Status::Invalid</a></div><div class="ttdeci">static Status Invalid(const std::string &msg)</div><div class="ttdef"><b>Definition:</b> status.h:146</div></div>
+<div class="ttc" id="python__to__arrow_8h_html_ae19630c1f4ca6d5236b30719d9140013"><div class="ttname"><a href="python__to__arrow_8h.html#ae19630c1f4ca6d5236b30719d9140013">PyObject</a></div><div class="ttdeci">_object PyObject</div><div class="ttdef"><b>Definition:</b> python_to_arrow.h:30</div></div>
+<div class="ttc" id="classarrow_1_1_status_html_ac618ef5553ac7bd7243461fe3418ce8a"><div class="ttname"><a href="classarrow_1_1_status.html#ac618ef5553ac7bd7243461fe3418ce8a">arrow::Status::TypeError</a></div><div class="ttdeci">static Status TypeError(const std::string &msg)</div><div class="ttdef"><b>Definition:</b> status.h:134</div></div>
<div class="ttc" id="namespacearrow_html"><div class="ttname"><a href="namespacearrow.html">arrow</a></div><div class="ttdoc">Top-level namespace for Apache Arrow C++ API. </div><div class="ttdef"><b>Definition:</b> adapter.h:32</div></div>
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