Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

iOS Swift 2.0 Collections and Control Flow Control Flow With Loops Working with Loops

Bret Marshall
Bret Marshall
2,549 Points

what is wrong with my code for this challenge?

cant figure out what i am doing wrong

while.swift
let numbers = [2,8,1,16,4,3,9]
var sum = 0
var counter = 0
while counter < numbers.count {
 sum+=numbers[counter]  
 ++counter
}

1 Answer

Kourosh Raeen
Kourosh Raeen
23,733 Points

Hi Bret - Change ++counter to counter++.