swift convert Range to [Int]

Question

how to convert Range to Array

I tried:

let min = 50
let max = 100
let intArray:[Int] = (min...max)

get error Range is

Answer 1

Since Swift 3/Xcode 8 there is a CountableRange type, which can be handy:

let range: CountableRange = -10..<10
let array = Array(range)
print(array)
// prints: 
// [-10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9]

It can be used directly in for-in loops:

for i in range {
    print(i)
}