slot-position-example.sol

contract Sample { 
         uint256 a; // storage position 0 
         uint256[2] b; // storage position 1 & 2
         
         // This is just declaration
         struct TestStruct { 
                  uint256 id; 
                  uint256 value; 
         }
         
         TestStruct c; // Initialization with default values. storage position 3 & 4
         
         uint256 d; //storage position 5
         
         mapping(uint256 => uint256) e; // storage position 6 
         mapping(uint256 => uint256) f; // storage position 7
         
          // In case of e, for an arbitrary key 4 and value 10, the storage determines the slot by hashing keccak256(4, 1) 
          // In case of f, for an arbitrary key 4 and value 11, the storage determines the slot by hashing keccak256(4, 2)
}