Method isItemValid

src/main/java/net/minecraft/inventory/Slot.java:73–76

Check if the stack is a valid item for this slot. Always true beside for the armor slots.

(ItemStack stack)

     * Check if the stack is a valid item for this slot. Always true beside for the armor slots.
     */
    public boolean isItemValid(ItemStack stack)
    {
        return true;
    }

    /**
     * Helper fnct to get the stack in the slot.