Method constructBody

include/process/http.hpp:770–781

private:
  static std::string constructBody(
      const std::initializer_list<std::string>& allowedMethods,
      const Option<std::string>& requestMethod)
  {
    return
        "405 Method Not Allowed. Expecting one of { '" +
        strings::join("', '", allowedMethods) + "' }" +
        (requestMethod.isSome()
           ? ", but received '" + requestMethod.get() + "'"
           : "") +
        ".";
  }
};