class HamlLint::Linter::TrailingWhitespace

def visit_root(root)
  document.source_lines.each_with_index do |line, index|
    next unless /\s+$/.match?(line)
    node = root.node_for_line(index + 1)
    unless node.disabled?(self)
      record_lint DummyNode.new(index + 1), 'Line contains trailing whitespace'
    end
  end
end