packed-struct-example.sol

contract Structs {

    struct Shipment {
        // Slot 1: 20 bytes packed with bool (1 byte)
        address receiver; 
        bool delivered;
    
        // Slot 2: uint 8 + uint128 = 1 slot
        uint8 typeCode;
        uint128 price; (Max size: 170141183460469231731687303715884105727)

        // String min 1 slot
        string package;
    }

}