Check out example codes for "check if all array elements match closure swift". It will help you in understanding the concepts better.

Code Example 1

let names = ["Sofia", "Camilla", "Martina", "Mateo", "Nicolás"]
let allHaveAtLeastFive = names.allSatisfy({ $0.count >= 5 })
// allHaveAtLeastFive == true

Learn ReactJs, React Native from akashmittal.com