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iOS Swift Basics (retired) Control Flow While and Do-While Loop

kirstie perez
kirstie perez
312 Points
Posted by kirstie perez
kirstie perez
312 Points

Its says: swift_lint.swift:12:13: error: 'Int' does not have a member named 'subscript' println(numbers.count[index])

It says: swift_lint.swift:12:13: error: 'Int' does not have a member named 'subscript' println(numbers.count[index])

Can you please tell me what that means and how i can fix it?

while_loops.swift 
let numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]

var index = 0

while index < numbers.count{
    println(numbers.count[index])
    index++
    }

1 Answer

Chris Shaw
Chris Shaw
26,676 Points
Chris Shaw
Chris Shaw
26,676 Points

Hi Kirstie,

The problem lies with the below code.

println(numbers.count[index])

Here you're calling numbers.count which doesn't support sub-scripting because it returns an value of the type Int, you simply need to omit .count and your code will work as expected.

let numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
var index = 0

while index < numbers.count{
  println(numbers[index])
  index++
}

Happy coding!