pragma solidity >=0.4.0 <=0.6.0; contract news{ struct newsfeed{ address publisher; string newsdesc; } mapping(uint => newsfeed) public newsfeeds; uint public newsCount; function addnews(string memory newsdesc) public { newsCount++; newsfeeds[newsCount].publisher = msg.sender; newsfeeds[newsCount].newsdesc = newsdesc; } }
0.4.18