static <A> IterableIterator<A> filterI(Iterator<A> it, F1<A, Bool> f) {
  ret filterIterator(it, f);
}



static <A> IterableIterator<A> filterI(Iterator<A> it, IF1<A, Bool> f) {
  ret filterIterator(it, f);
}



static <A> IterableIterator<A> filterI(F1<A, Bool> f, Iterator<A> it) {
  ret filterIterator(f, it);
}

static <A> IterableIterator<A> lambdaMapLike filterI(IF1<A, Bool> f, Iterator<A> it) {
  ret filterIterator(f, it);
}

static <A> IterableIterator<A> filterI(IF1<A, Bool> f, Iterable<A> it) {
  ret filterIterator(f, iterator(it));
}