@Override public boolean contains(Object o) { I element = functor.deapply(o); return element == null ? false : input.contains(element); }
@Override public boolean contains(Object o) { I element = functor.deapply(o); return element == null ? false : input.contains(element); }
@Override public boolean contains(Object o) { I element = functor.deapply(o); return element == null ? false : input.contains(element); }