public void set(int index, long value) {final int o = index >>> 4;final int b = index & 15;final int shift = b << 2;blocks[o] = (blocks[o] & ~(15L << shift)) | (value << shift);}
public override void Set(int index, long value){int o = (int)((uint)index >> 4);int b = index & 15;int shift = b << 2;blocks[o] = (blocks[o] & ~(15L << shift)) | (value << shift);}