// declare a Deck
d := deck.New()
// you Pick a card, like a pillow
card, err := d.Pick()
More...
// get card points
// TODO:
// points = 10
Even more...
// let's drop the `expendable` card, aka `2 di spade`
err := d.Drop()
// err = true, if we Pick-ed a card before. Drop should be done just after the
// Shuffle()