11常量

constant

变量名大写

constant消耗的gas少

// SPDX-License-Identifier: MIT
pragma solidity 0.8.18;

contract Constants{
    address public constant MY_ADDRESS=0x5B38Da6a701c568545dCfcB03FcB875f56beddC4;
    uint public constant MY_UINT=123;
}