class ActionDispatch::Journey::Ast

def visit_tree(formatted)
  tree.each do |node|
    if node.symbol?
      path_params << node.to_sym
      names << node.name
      symbols << node
    elsif node.star?
      stars << node
      if formatted != false
        # Add a constraint for wildcard route to make it non-greedy and
        # match the optional format part of the route by default.
        wildcard_options[node.name.to_sym] ||= /.+?/m
      end
    end
    if node.terminal?
      terminals << node
    end
  end
end