message: Work around gcc build, only std::writable::r_vector has a constructor that takes an initializer list
diff: @@ -25,7 +25,8 @@ SEXP RApi::PointerToString(SEXP extptr) {
  if (ptr != NULL) {
  char buf[100];
  snprintf(buf, 100, "%p", ptr);
  - return cpp11::strings({ buf });
  + cpp11::strings a;
  + return cpp11::writable::strings({ buf });
  } else {
  return cpp11::strings(NA_STRING);
  }
  