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 <div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.calcite.adapter.csv</a></div>
 <h2 title="Class CsvEnumerator" class="title">Class CsvEnumerator&lt;E&gt;</h2>
 </div>
 <div class="contentContainer">
 <ul class="inheritance">
 <li>java.lang.Object</li>
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 <li>org.apache.calcite.adapter.csv.CsvEnumerator&lt;E&gt;</li>
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 <dd><code>java.lang.AutoCloseable</code>, <code><a href="../../linq4j/Enumerator.html" title="interface in org.apache.calcite.linq4j">Enumerator</a>&lt;E&gt;</code></dd>
 </dl>
 <hr>
 <pre>class <span class="typeNameLabel">CsvEnumerator&lt;E&gt;</span>
 extends java.lang.Object
 implements <a href="../../linq4j/Enumerator.html" title="interface in org.apache.calcite.linq4j">Enumerator</a>&lt;E&gt;</pre>
 <div class="block">Enumerator that reads from a CSV file.</div>
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 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colSecond" scope="col">Class</th>
 <th class="colLast" scope="col">Description</th>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>(package private) static class&nbsp;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="CsvEnumerator.ArrayRowConverter.html" title="class in org.apache.calcite.adapter.csv">CsvEnumerator.ArrayRowConverter</a></span></code></th>
 <td class="colLast">
 <div class="block">Array row converter.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>(package private) static class&nbsp;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="CsvEnumerator.RowConverter.html" title="class in org.apache.calcite.adapter.csv">CsvEnumerator.RowConverter</a>&lt;<a href="CsvEnumerator.RowConverter.html" title="type parameter in CsvEnumerator.RowConverter">E</a>&gt;</span></code></th>
 <td class="colLast">
 <div class="block">Row converter.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>private static class&nbsp;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="CsvEnumerator.SingleColumnRowConverter.html" title="class in org.apache.calcite.adapter.csv">CsvEnumerator.SingleColumnRowConverter</a></span></code></th>
 <td class="colLast">
 <div class="block">Single column row converter.</div>
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 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colSecond" scope="col">Field</th>
 <th class="colLast" scope="col">Description</th>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>private java.util.concurrent.atomic.AtomicBoolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#cancelFlag">cancelFlag</a></span></code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>private <a href="CsvEnumerator.html" title="type parameter in CsvEnumerator">E</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#current">current</a></span></code></th>
 <td class="colLast">&nbsp;</td>
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 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#filterValues">filterValues</a></span></code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>private au.com.bytecode.opencsv.CSVReader</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#reader">reader</a></span></code></th>
 <td class="colLast">&nbsp;</td>
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 <tr class="altColor">
 <td class="colFirst"><code>private <a href="CsvEnumerator.RowConverter.html" title="class in org.apache.calcite.adapter.csv">CsvEnumerator.RowConverter</a>&lt;<a href="CsvEnumerator.html" title="type parameter in CsvEnumerator">E</a>&gt;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rowConverter">rowConverter</a></span></code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>private static org.apache.commons.lang3.time.FastDateFormat</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#TIME_FORMAT_DATE">TIME_FORMAT_DATE</a></span></code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>private static org.apache.commons.lang3.time.FastDateFormat</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#TIME_FORMAT_TIME">TIME_FORMAT_TIME</a></span></code></th>
 <td class="colLast">&nbsp;</td>
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 <tr class="rowColor">
 <td class="colFirst"><code>private static org.apache.commons.lang3.time.FastDateFormat</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#TIME_FORMAT_TIMESTAMP">TIME_FORMAT_TIMESTAMP</a></span></code></th>
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 <th class="colFirst" scope="col">Constructor</th>
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 <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.util.Source,java.util.concurrent.atomic.AtomicBoolean,java.util.List)">CsvEnumerator</a></span>&#8203;(<a href="../../util/Source.html" title="interface in org.apache.calcite.util">Source</a>&nbsp;source,
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              java.util.concurrent.atomic.AtomicBoolean&nbsp;cancelFlag,
              java.util.List&lt;<a href="CsvFieldType.html" title="enum in org.apache.calcite.adapter.csv">CsvFieldType</a>&gt;&nbsp;fieldTypes,
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 <th class="colFirst" scope="col">Modifier and Type</th>
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 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#close()">close</a></span>()</code></th>
 <td class="colLast">
 <div class="block">Closes this enumerable and releases resources.</div>
 </td>
 </tr>
 <tr id="i1" class="rowColor">
 <td class="colFirst"><code>private static <a href="CsvEnumerator.RowConverter.html" title="class in org.apache.calcite.adapter.csv">CsvEnumerator.RowConverter</a>&lt;?&gt;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#converter(java.util.List,int%5B%5D)">converter</a></span>&#8203;(java.util.List&lt;<a href="CsvFieldType.html" title="enum in org.apache.calcite.adapter.csv">CsvFieldType</a>&gt;&nbsp;fieldTypes,
          int[]&nbsp;fields)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i2" class="altColor">
 <td class="colFirst"><code><a href="CsvEnumerator.html" title="type parameter in CsvEnumerator">E</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#current()">current</a></span>()</code></th>
 <td class="colLast">
 <div class="block">Gets the current element in the collection.</div>
 </td>
 </tr>
 <tr id="i3" class="rowColor">
 <td class="colFirst"><code>(package private) static <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#deduceRowType(org.apache.calcite.adapter.java.JavaTypeFactory,org.apache.calcite.util.Source,java.util.List)">deduceRowType</a></span>&#8203;(<a href="../java/JavaTypeFactory.html" title="interface in org.apache.calcite.adapter.java">JavaTypeFactory</a>&nbsp;typeFactory,
              <a href="../../util/Source.html" title="interface in org.apache.calcite.util">Source</a>&nbsp;source,
              java.util.List&lt;<a href="CsvFieldType.html" title="enum in org.apache.calcite.adapter.csv">CsvFieldType</a>&gt;&nbsp;fieldTypes)</code></th>
 <td class="colLast">
 <div class="block">Deduces the names and types of a table's columns by reading the first line
  of a CSV file.</div>
 </td>
 </tr>
 <tr id="i4" class="altColor">
 <td class="colFirst"><code>(package private) static <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#deduceRowType(org.apache.calcite.adapter.java.JavaTypeFactory,org.apache.calcite.util.Source,java.util.List,java.lang.Boolean)">deduceRowType</a></span>&#8203;(<a href="../java/JavaTypeFactory.html" title="interface in org.apache.calcite.adapter.java">JavaTypeFactory</a>&nbsp;typeFactory,
              <a href="../../util/Source.html" title="interface in org.apache.calcite.util">Source</a>&nbsp;source,
              java.util.List&lt;<a href="CsvFieldType.html" title="enum in org.apache.calcite.adapter.csv">CsvFieldType</a>&gt;&nbsp;fieldTypes,
              java.lang.Boolean&nbsp;stream)</code></th>
 <td class="colLast">
 <div class="block">Deduces the names and types of a table's columns by reading the first line
  of a CSV file.</div>
 </td>
 </tr>
 <tr id="i5" class="rowColor">
 <td class="colFirst"><code>(package private) static int[]</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#identityList(int)">identityList</a></span>&#8203;(int&nbsp;n)</code></th>
 <td class="colLast">
 <div class="block">Returns an array of integers {0, ..., n - 1}.</div>
 </td>
 </tr>
 <tr id="i6" class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#moveNext()">moveNext</a></span>()</code></th>
 <td class="colLast">
 <div class="block">Advances the enumerator to the next element of the collection.</div>
 </td>
 </tr>
 <tr id="i7" class="rowColor">
 <td class="colFirst"><code>static au.com.bytecode.opencsv.CSVReader</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#openCsv(org.apache.calcite.util.Source)">openCsv</a></span>&#8203;(<a href="../../util/Source.html" title="interface in org.apache.calcite.util">Source</a>&nbsp;source)</code></th>
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 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#reset()">reset</a></span>()</code></th>
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 <div class="block">Sets the enumerator to its initial position, which is before the first
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 <pre>private final&nbsp;<a href="CsvEnumerator.RowConverter.html" title="class in org.apache.calcite.adapter.csv">CsvEnumerator.RowConverter</a>&lt;<a href="CsvEnumerator.html" title="type parameter in CsvEnumerator">E</a>&gt; rowConverter</pre>
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 <pre>CsvEnumerator&#8203;(<a href="../../util/Source.html" title="interface in org.apache.calcite.util">Source</a>&nbsp;source,
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 <pre>CsvEnumerator&#8203;(<a href="../../util/Source.html" title="interface in org.apache.calcite.util">Source</a>&nbsp;source,
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 <pre>CsvEnumerator&#8203;(<a href="../../util/Source.html" title="interface in org.apache.calcite.util">Source</a>&nbsp;source,
               java.util.concurrent.atomic.AtomicBoolean&nbsp;cancelFlag,
               boolean&nbsp;stream,
               java.lang.String[]&nbsp;filterValues,
               <a href="CsvEnumerator.RowConverter.html" title="class in org.apache.calcite.adapter.csv">CsvEnumerator.RowConverter</a>&lt;<a href="CsvEnumerator.html" title="type parameter in CsvEnumerator">E</a>&gt;&nbsp;rowConverter)</pre>
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 <h4>converter</h4>
 <pre class="methodSignature">private static&nbsp;<a href="CsvEnumerator.RowConverter.html" title="class in org.apache.calcite.adapter.csv">CsvEnumerator.RowConverter</a>&lt;?&gt;&nbsp;converter&#8203;(java.util.List&lt;<a href="CsvFieldType.html" title="enum in org.apache.calcite.adapter.csv">CsvFieldType</a>&gt;&nbsp;fieldTypes,
                                                        int[]&nbsp;fields)</pre>
 </li>
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 <a id="deduceRowType(org.apache.calcite.adapter.java.JavaTypeFactory,org.apache.calcite.util.Source,java.util.List)">
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 <h4>deduceRowType</h4>
 <pre class="methodSignature">static&nbsp;<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;deduceRowType&#8203;(<a href="../java/JavaTypeFactory.html" title="interface in org.apache.calcite.adapter.java">JavaTypeFactory</a>&nbsp;typeFactory,
                                  <a href="../../util/Source.html" title="interface in org.apache.calcite.util">Source</a>&nbsp;source,
                                  java.util.List&lt;<a href="CsvFieldType.html" title="enum in org.apache.calcite.adapter.csv">CsvFieldType</a>&gt;&nbsp;fieldTypes)</pre>
 <div class="block">Deduces the names and types of a table's columns by reading the first line
  of a CSV file.</div>
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 <h4>deduceRowType</h4>
 <pre class="methodSignature">static&nbsp;<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;deduceRowType&#8203;(<a href="../java/JavaTypeFactory.html" title="interface in org.apache.calcite.adapter.java">JavaTypeFactory</a>&nbsp;typeFactory,
                                  <a href="../../util/Source.html" title="interface in org.apache.calcite.util">Source</a>&nbsp;source,
                                  java.util.List&lt;<a href="CsvFieldType.html" title="enum in org.apache.calcite.adapter.csv">CsvFieldType</a>&gt;&nbsp;fieldTypes,
                                  java.lang.Boolean&nbsp;stream)</pre>
 <div class="block">Deduces the names and types of a table's columns by reading the first line
  of a CSV file.</div>
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 <pre class="methodSignature">public static&nbsp;au.com.bytecode.opencsv.CSVReader&nbsp;openCsv&#8203;(<a href="../../util/Source.html" title="interface in org.apache.calcite.util">Source</a>&nbsp;source)
                                                  throws java.io.IOException</pre>
 <dl>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code>java.io.IOException</code></dd>
 </dl>
 </li>
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 <h4>current</h4>
 <pre class="methodSignature">public&nbsp;<a href="CsvEnumerator.html" title="type parameter in CsvEnumerator">E</a>&nbsp;current()</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../linq4j/Enumerator.html#current()">Enumerator</a></code></span></div>
 <div class="block">Gets the current element in the collection.

  <p>After an enumerator is created or after the <a href="../../linq4j/Enumerator.html#reset()"><code>Enumerator.reset()</code></a> method is
  called, the <a href="../../linq4j/Enumerator.html#moveNext()"><code>Enumerator.moveNext()</code></a> method must be called to advance the
  enumerator to the first element of the collection before reading the
  value of the <code>current</code> property; otherwise, <code>current</code> is
  undefined.

  <p>This method also throws <code>NoSuchElementException</code> if
  the last call to <code>moveNext</code> returned <code>false</code>, which indicates
  the end of the collection.

  <p>This method does not move the position of the enumerator, and
  consecutive calls to <code>current</code> return the same object until either
  <code>moveNext</code> or <code>reset</code> is called.

  <p>An enumerator remains valid as long as the collection remains
  unchanged. If changes are made to the collection, such as adding,
  modifying, or deleting elements, the enumerator is irrecoverably
  invalidated. The next call to <code>moveNext</code> or <code>reset</code> may,
  at the discretion of the implementation, throw a
  <code>ConcurrentModificationException</code>. If the collection is
  modified between <code>moveNext</code> and <code>current</code>, <code>current</code>
  returns the element that it is set to, even if the enumerator is already
  invalidated.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../linq4j/Enumerator.html#current()">current</a></code>&nbsp;in interface&nbsp;<code><a href="../../linq4j/Enumerator.html" title="interface in org.apache.calcite.linq4j">Enumerator</a>&lt;<a href="CsvEnumerator.html" title="type parameter in CsvEnumerator">E</a>&gt;</code></dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>Current element</dd>
 </dl>
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 <pre class="methodSignature">public&nbsp;boolean&nbsp;moveNext()</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../linq4j/Enumerator.html#moveNext()">Enumerator</a></code></span></div>
 <div class="block">Advances the enumerator to the next element of the collection.

  <p>After an enumerator is created or after the <code>reset</code> method is
  called, an enumerator is positioned before the first element of the
  collection, and the first call to the <code>moveNext</code> method moves the
  enumerator over the first element of the collection.

  <p>If <code>moveNext</code> passes the end of the collection, the enumerator
  is positioned after the last element in the collection and
  <code>moveNext</code> returns <code>false</code>. When the enumerator is at this
  position, subsequent calls to <code>moveNext</code> also return <code>false</code>
  until <code>#reset</code> is called.

  <p>An enumerator remains valid as long as the collection remains
  unchanged. If changes are made to the collection, such as adding,
  modifying, or deleting elements, the enumerator is irrecoverably
  invalidated. The next call to <code>moveNext</code> or <a href="../../linq4j/Enumerator.html#reset()"><code>Enumerator.reset()</code></a> may,
  at the discretion of the implementation, throw a
  <code>ConcurrentModificationException</code>.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../linq4j/Enumerator.html#moveNext()">moveNext</a></code>&nbsp;in interface&nbsp;<code><a href="../../linq4j/Enumerator.html" title="interface in org.apache.calcite.linq4j">Enumerator</a>&lt;<a href="CsvEnumerator.html" title="type parameter in CsvEnumerator">E</a>&gt;</code></dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd><code>true</code> if the enumerator was successfully advanced to the
          next element; <code>false</code> if the enumerator has passed the end of
          the collection</dd>
 </dl>
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 <pre class="methodSignature">public&nbsp;void&nbsp;reset()</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../linq4j/Enumerator.html#reset()">Enumerator</a></code></span></div>
 <div class="block">Sets the enumerator to its initial position, which is before the first
  element in the collection.

  <p>An enumerator remains valid as long as the collection remains
  unchanged. If changes are made to the collection, such as adding,
  modifying, or deleting elements, the enumerator is irrecoverably
  invalidated. The next call to <a href="../../linq4j/Enumerator.html#moveNext()"><code>Enumerator.moveNext()</code></a> or <code>reset</code> may,
  at the discretion of the implementation, throw a
  <code>ConcurrentModificationException</code>.

  <p>This method is optional; it may throw
  <code>UnsupportedOperationException</code>.

  <h3>Notes to Implementers</h3>

  <p>All calls to Reset must result in the same state for the enumerator.
  The preferred implementation is to move the enumerator to the beginning
  of the collection, before the first element. This invalidates the
  enumerator if the collection has been modified since the enumerator was
  created, which is consistent with <a href="../../linq4j/Enumerator.html#moveNext()"><code>Enumerator.moveNext()</code></a> and
  <a href="../../linq4j/Enumerator.html#current()"><code>Enumerator.current()</code></a>.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../linq4j/Enumerator.html#reset()">reset</a></code>&nbsp;in interface&nbsp;<code><a href="../../linq4j/Enumerator.html" title="interface in org.apache.calcite.linq4j">Enumerator</a>&lt;<a href="CsvEnumerator.html" title="type parameter in CsvEnumerator">E</a>&gt;</code></dd>
 </dl>
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 <h4>close</h4>
 <pre class="methodSignature">public&nbsp;void&nbsp;close()</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../linq4j/Enumerator.html#close()">Enumerator</a></code></span></div>
 <div class="block">Closes this enumerable and releases resources.

  <p>This method is idempotent. Calling it multiple times has the same effect
  as calling it once.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code>close</code>&nbsp;in interface&nbsp;<code>java.lang.AutoCloseable</code></dd>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../linq4j/Enumerator.html#close()">close</a></code>&nbsp;in interface&nbsp;<code><a href="../../linq4j/Enumerator.html" title="interface in org.apache.calcite.linq4j">Enumerator</a>&lt;<a href="CsvEnumerator.html" title="type parameter in CsvEnumerator">E</a>&gt;</code></dd>
 </dl>
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 <h4>identityList</h4>
 <pre class="methodSignature">static&nbsp;int[]&nbsp;identityList&#8203;(int&nbsp;n)</pre>
 <div class="block">Returns an array of integers {0, ..., n - 1}.</div>
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