struct-mapping.sol

contract Campaign {
    struct Request {
        string description;
        uint256 value;
        address recipient;
        bool complete;
        uint256 approvalCount;
        mapping(address => bool) approvals;
    }
    
    uint256 numRequests;
    mapping (address => Request[]) requests;
    
    function createRequest(string memory description, uint value, address recipient, uint256 _index) public {            
        Request[] storage r = requests[msg.sender];
        r[_index].description = description;
        r[_index].value = value;
        r[_index].recipient = recipient;
        r[_index].complete = false;
        r[_index].approvalCount = 0;
        r[_index].approvals[msg.sender] = false;
    }
}