"continue" statement in Swift
let numbers = [ 2, 3, 5, 7, 11, 13, 17, 19 ]
var str = ""
for var i = 0; i < numbers.count; i++ {
if i % 2 == 1 {
continue
}
str += (str == "" ? "" : "-") + "\(numbers[i])"
}
//str is "2-5-11-17"
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