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// Copyright 2010 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "src/utils/bit-vector.h"
#include <numeric>
#include "src/base/bits.h"
#include "src/utils/utils.h"
namespace v8 {
namespace internal {
#ifdef DEBUG
void BitVector::Print() const {
bool first = true;
PrintF("{");
for (int i = 0; i < length(); i++) {
if (Contains(i)) {
if (!first) PrintF(",");
first = false;
PrintF("%d", i);
}
}
PrintF("}\n");
}
#endif
int BitVector::Count() const {
auto accumulate_popcnt = [](int cnt, uintptr_t word) -> int {
return cnt + base::bits::CountPopulation(word);
};
return std::accumulate(data_begin_, data_end_, 0, accumulate_popcnt);
}
} // namespace internal
} // namespace v8
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