enum Order {
    NOTHING,
    GARRISON(u16),
    DROP_ALL,
    DROP(u16),
    DROP_ALL_BUT(u16),
    COLLECT_ALL,
    COLLECT(u16),
    COLLECT_ALL_BUT(u16),
    LOOP
}

pub struct Carrier {
    owner: &Player,
    name: String,
    ships: u16,
    location: (u16, u16),
    orders: Vec<(&Star, Order)>,
    order_pointer: u8
}