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

Expected Expression after operator {

let numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] let index = 0 while index < numbers.count { println(numbers[index]) index ++ }

while_loops.swift
let numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
let index = 0
while index < numbers.count {
     println(numbers[index])
     index ++
}

1 Answer

William Li
PLUS
William Li
Courses Plus Student 26,868 Points

The problem here is that you declared your index as constant, that prevents its value from increment.

change the let to var, and code will work.