// returns minimal time needed
static long benchFor5(S desc, Runnable r) {
  ret benchFor5Seconds(desc, r);
}



static long benchFor5(Runnable r) {
  ret benchFor5Seconds(r);
}



// returns result of function
static <A> A benchFor5(S desc default str(f), IF0<A> f) {
  ret benchFor5Seconds(desc, f);
}