code: function (route, converters) {
          var literals = route.literals;
          var params = route.params;
          
          var conv = [];
          
          var fun = "";
          fun += "var generate = function (params) {\n";
          fun += "    if (arguments.length === 1 && typeof params === 'object' && params.constructor !== String) {\n";
          fun += "        return ";
          fun += JSON.stringify(literals[0]);
          for (var i = 0, len = params.length; i < len; i += 1) {
              fun += "+converters[";
              fun += i;
              fun += "](params[";
              fun += JSON.stringify(params[i].name);
              fun += "])";
              if (literals[i + 1]) {
                  fun += "+";
                  fun += JSON.stringify(literals[i + 1]);
              }
              
              var paramType = params[i].type;
              if (!has.call(converters, paramType)) {
                  throw new Error("Unknown converter: " + paramType);
              }
              
              var converter = converters[paramType];
              if (!converter) {
                  throw new Error("Misconfigured converter: " + paramType);
              }
              
              conv.push(converter(params[i]));
          }
          fun += ";\n";
          fun += "    }\n";
          fun += "    return generate({";
          
          for (i = 0, len = params.length; i < len; i += 1) {
              if (i > 0) {
                  fun += ", ";
              }
              fun += JSON.stringify(params[i].name);
              fun += ":arguments[";
              fun += i;
              fun += "]";
          }
          
          fun += "});\n";
          fun += "};\n";
          fun += "return generate;\n";
          return new Function("converters", fun)(conv);
      }
docs: Dynamically create a url-generation function.
  
  @param {Object} route A descriptor for the route in question
  @param {Object} converters A map of converter name to converter factory.
  @return {Function} A function which will generate a URL.
  @api private
  
  @example generateUrlFunction({ literals: ["/prefix"], params: [ { name: "name", type: "string" } ] })({name: "hey"}) === "/prefix/hey"