// Note: these first 3 syntaxes seem to be wrong
// (not failing on timeout)
static O evalWithTimeoutOrException(fO f, int timeoutMS) {
  ret evalWithTimeoutOrException(timeoutMS, f);
}

static O evalWithTimeoutOrException(int timeoutMS, fO f) {
  ret eitherAOpt(evalWithTimeout(timeoutMS, f));
}

static O evalWithTimeoutOrException(double timeoutSeconds, fO f) {
  ret eitherAOpt(evalWithTimeout(timeoutSeconds, f));
}

// the following 4 syntaxes are ok
static <A> A evalWithTimeoutOrException(int timeoutMS, F0<A> f) {
  Either<O, Thread> e = evalWithTimeout(timeoutMS, f);
  if (e.isA()) ret (A) e.a();
  fail(trim("Timeout after " + timeoutMS + " ms. "
    + unnull(stackTraceForThread(e.b()))));
}

static <A> A evalWithTimeoutOrException(double timeoutSeconds, F0<A> f) {
  ret evalWithTimeoutOrException(toMS_int(timeoutSeconds), f);
}

static <A> A evalWithTimeoutOrException(int timeoutMS, IF0<A> f) {
  ret evalWithTimeoutOrException(timeoutMS, if0ToF0(f));
}

static <A> A evalWithTimeoutOrException(double timeoutSeconds, IF0<A> f) {
  ret evalWithTimeoutOrException(timeoutSeconds, if0ToF0(f));
}

Began life as a copy of #1012516