static S evalWithTimeoutOrExceptionText(double timeoutSeconds, fO f) {
  ret evalWithTimeoutOrExceptionText(toMS(timeoutSeconds), f);
}

// f : func -> O
static S evalWithTimeoutOrExceptionText(final int timeoutMS, fO f) {
  ret pcallOrExceptionText(func { evalWithTimeoutOrException(timeoutMS, f) });
}