Answered by : average-ant-r8d80ipngf0s

// Initialize the Array
var a = [1,2,3]
// Get the size of the array
let size = a.count
print(size)

Source : https://iswift.org/cookbook/get-the-size-of-an-array | Last Update : Fri, 08 May 20

Answered by : european-beaver

let arr = [1, 2, 3]
print(arr.count) // 3

Source : | Last Update : Fri, 13 Dec 19