static boolean nempty(Collection c) {
  ret !empty(c);
}

static boolean nempty(CharSequence s) {
  ret !empty(s);
}

static boolean nempty(O[] o) { ret !empty(o); }
static boolean nempty(byte[] o) { ret !empty(o); }
static boolean nempty(int[] o) { ret !empty(o); }

sbool nempty(BitSet bs) { ret !empty(bs); }

static boolean nempty(Map m) {
  ret !empty(m);
}

static boolean nempty(Iterator i) {
  ret i != null && i.hasNext();
}

ifclass IMultiMap
sbool nempty(IMultiMap mm) { ret mm != null && mm.size() != 0; }
endif

ifndef empty_noGeneric
sbool nempty(O o) { ret !empty(o); }
endifndef

ifclass IntRange
sbool nempty(IntRange r) { ret !empty(r); }
endif

ifclass IntBuffer
sbool nempty(IntBuffer b) { ret b != null && !b.isEmpty(); }
endif

ifclass LongBuffer
sbool nempty(LongBuffer b) { ret b != null && !b.isEmpty(); }
endif

ifclass Rect
sbool nempty(Rect r) { ret r != null && r.w != 0 && r.h != 0; }
endif

ifclass CloseablesHolder
sbool nempty(CloseablesHolder ch) { ret ch != null && !empty(ch.closeables); }
endif

ifclass MultiSet
sbool nempty(MultiSet ms) { ret ms != null && !ms.isEmpty(); }
endif

sbool nempty(IntSize l) { ret l != null && l.size() != 0; }

Began life as a copy of #1002108