# File lib/rgen/template_language/template_container.rb, line 133
      def _expand_foreach(template, args, params)
        sep = params[:separator]
        params[:foreach].each_with_index {|e,i|
          _direct_concat(sep.to_s) if sep && i > 0 
          output = _expand(template, args, params.merge({:for => e}))
        }
      end