Function Increment

src/leveldb/table/table_test.cc:66–75

static ReverseKeyComparator reverse_key_comparator;

static void Increment(const Comparator* cmp, std::string* key) {
  if (cmp == BytewiseComparator()) {
    key->push_back('\0');
  } else {
    assert(cmp == &reverse_key_comparator);
    std::string rev = Reverse(*key);
    rev.push_back('\0');
    *key = Reverse(rev);
  }
}

// An STL comparator that uses a Comparator
namespace {