Storage in Structs (Solidity)

Lets first look at the code

contract A {
 struct SomeStruct{
    uint256 val1;
    uint16 val2;
    bool val3;
}

uint256 a = 3; // slot 0
uint256 b = 0x555 // slot 1

SomeStruct structVar = SomeStruct(0x2345,5,true) // Line 10

function getSlotVal(uint slot) public view returns (bytes32){
    assembly{
        value := sload(slot)
    }
    return value;
}
}

In the above code the Line-10 is very interesting the number “0×2345” is being stored on slot-2 and it is “val1” which is a uint256 , which means it will occupy 32 bytes , so the whole slot-2 will be utilised by “0×2345” , However “val2” is uint16 =2 bytes and “val3” is uint8 = 1 byte , hence they will occupy only 3 bytes , so both of them will be placed on slot-3