Check in the pristine copy of ICU 4.6...

icu46/source/test/perf/usetperf/bitset.h

+/*
+**********************************************************************
+* Copyright (c) 2002-2005, International Business Machines
+* Corporation and others.  All Rights Reserved.
+**********************************************************************
+* 2002-09-20 aliu Created.
+*/
+#ifndef __BITSET_H__
+#define __BITSET_H__
+
+#include "unicode/utypes.h"
+
+/**
+ * A simple, limited clone of the java.util.BitSet.
+ */
+class BitSet {
+
+    uint32_t len;
+    int32_t* data;
+
+    void ensureCapacity(uint32_t minLen);
+
+public:
+
+    BitSet();
+    ~BitSet();
+
+    UBool get(int32_t bitIndex) const;
+
+    void set(int32_t bitIndex);
+
+    // Non-java
+    void clearAll();
+
+    // TODO add other methods as needed.
+};
+
+#endif