有没有办法在 Ruby 中获取所有方法的别名？

def get_method_aliases(obj)
  source_location = obj.method(:method_source).source_location
  method_table = obj.method(:method_table).source_location
  method_aliases = obj.method(:method_aliases).source_location
  source_location.each do |location|
    method_source = eval(location)
    method_source.each do |method|
      method_name = method.name
      aliases = method_table.find_all { |m| m.name == method_name }
      aliases.each do |alias|
        method_source.each do |source_method|
          source_method.alias_name = alias
        end
      end
    end
  end
  method_aliases
end

obj = Object.new
get_method_aliases(obj)