class Herb::AST::HTMLCommentNode

def tree_inspect(indent = 0)
  output = +""
  output += "@ #{node_name} "
  output += location.tree_inspect
  output += "\n"
  output += inspect_errors(prefix: "│   ")
  output += "├── comment_start: "
  output += comment_start ? comment_start.tree_inspect : "∅"
  output += "\n"
  output += "├── children: "
  output += inspect_array(children, prefix: "│   ")
  output += "└── comment_end: "
  output += comment_end ? comment_end.tree_inspect : "∅"
  output += "\n"
  output += "\n"
  output.gsub(/^/, "    " * indent)
end