message: Use single name to refer to the same thing
diff: @@ -608,18 +608,19 @@ static AlignedFormattingColumnSchema ComputeColumnWidths(
  }
  }
  - for (auto& cell : VectorTreePostOrderTraversal(column_configs)) {
  - if (!cell.is_leaf()) {
  + for (auto& column_iter : VectorTreePostOrderTraversal(column_configs)) {
  + if (!column_iter.is_leaf()) {
  int children_width = std::accumulate(
  - cell.Children().begin(), cell.Children().end(), 0,
  + column_iter.Children().begin(), column_iter.Children().end(), 0,
  [](int width, const AlignedFormattingColumnSchema& node) {
  return width + node.Value().TotalWidth();
  });
  - cell.Value().left_border =
  - std::min(cell.Value().left_border,
  - cell.Children().front().Value().left_border);
  - cell.Value().width = std::max(cell.Value().width,
  - children_width - cell.Value().left_border);
  + column_iter.Value().left_border =
  + std::max(column_iter.Value().left_border,
  + column_iter.Children().front().Value().left_border);
  + column_iter.Value().width =
  + std::max(column_iter.Value().width,
  + children_width - column_iter.Value().left_border);
  }
  }
  