class IDL::AST::Module

def template_param(param)
  return nil unless @template
  param = param.to_s if ::Symbol === param
  if ::String === param
    @template.params.each_with_index do |tp, ix|
      return @template_params[ix] if tp.name == param
    end
    nil
  else
    @template_params[param] rescue nil
  end
end