dweiss commented on a change in pull request #1184: LUCENE-9142 Refactor IntSet
operations for determinize
URL: https://github.com/apache/lucene-solr/pull/1184#discussion_r368238944
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File path:
lucene/core/src/java/org/apache/lucene/util/automaton/SortedIntSet.java
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@@ -151,126 +141,23 @@ public void computeHash() {
}
}
+ /**
+ * Create a FrozenIntSet from the current values in this IntSet.
+ *
+ * Note: Must call computeHash() before calling this method
+ *
+ * @param state the state to save
+ * @return a FrozenIntSet that has the same values and hashCode as this set
+ */
public FrozenIntSet freeze(int state) {
final int[] c = new int[upto];
System.arraycopy(values, 0, c, 0, upto);
Review comment:
isn't there a futurearrays method that does this in a single step (without
intermediate zeroed int[])?
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