I have 2 arrays. I want to find out the difference between those two. How to achieve them?
let totalData = [feed(id: "1", value: "100"),feed(id: "1", value: "200"),feed(id: "1", value: "300"),feed(id: "2", value: "100"),feed(id: "2", value: "200"),feed(id: "4", value: "100")]
let favData = [feed(id: "1", value: "100"),feed(id: "1", value: "200"),feed(id: "2", value: "100"),feed(id: "2", value: "100"),feed(id: "4", value: "100")]
let differenceData = [feed(id: "1", value: "300"),feed(id: "2", value: "200")]