How to zip arrays in Swift? [duplicate]

Question

let array1 = ["Albert","Bobby"]
let array2 = ["Charles", "David"]

How do merge two array so that the out put would be ["Albert", "Charles", "Bobby", "David"]

Answer 1

You can use zip to combine your two arrays, and thereafter apply a .flatMap to the tuple elements of the zip sequence:

let array1 = ["Albert","Bobby"]
let array2 = ["Charles", "David"]

let arrayMerged = zip(array1,array2).flatMap{ [$0.0, $0.1] }

print(arrayMerged) // ["Albert", "Charles", "Bobby", "David"]