Notes

• Getter functions can be declared view or pure.
• View function declares that no state will be changed.
• Pure function declares that no state variable will be changed or read.

Code

solidity
ViewAndPureFunctions.sol
Copy
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

contract ViewAndPure {
   uint public x = 1;

   // Promise not to modify the state.
   function addToX(uint y) public view returns (uint) {
       return x + y;
   }

   // Promise not to modify or read from the state.
   function add(uint i, uint j) public pure returns (uint) {
       return i + j;
   }
}