Method leafNeedsShift

source/test/btree_test.cpp:323–325

  }

  bool leafNeedsShift(Leaf const& leaf) {
    return leaf.count() < (maxLeafSize + 1) / 2;
  }

  bool shouldAppendNewLeaf(Leaf const& leaf) {
    return maxLeafSize == 2 && leaf.count() == 2;