Method damage

src/main/java/com/volmit/adapt/util/Items.java:309–315

Damage an itemstack @param is the item @param amt the amount to damage

(ItemStack is, int amt)

     * @param amt the amount to damage
     */
    public static void damage(ItemStack is, int amt) {
        if (!is(is)) {
            return;
        }

        setDurability(is, getDurability(is) + amt);
    }

    /**
     * Can the item a be stacked onto the item b (following max stack size)