Cryptocurrency Ethereum Mastering Development

Error at calling the memory function

I am using an remix ide for the smart contract development, at the time of compilation of the below code I am facing the error of expected primary expression. Could anyone help me out with this regards. // SPDX-License-Identifier: GPL-3.0 pragma solidity ^0.7.4; contract owned { address owner; function owned() public { owner = msg.sender; […]