array-reverse-foreach

reverse.swift

var numbers = [1, 2, 3, 4, 5]

numbers.forEach { num in
    print("num: \(num)")
    print("numbers: \(numbers)")
    if num == 2 {
        numbers = numbers.reversed()
    }
    print("numbers: \(numbers)")
}

// prints
// num: 1
// numbers: [1, 2, 3, 4, 5]
// numbers: [1, 2, 3, 4, 5]
// num: 2
// numbers: [1, 2, 3, 4, 5]
// numbers: [5, 4, 3, 2, 1]
// num: 3
// numbers: [5, 4, 3, 2, 1]
// numbers: [5, 4, 3, 2, 1]
// num: 4
// numbers: [5, 4, 3, 2, 1]
// numbers: [5, 4, 3, 2, 1]
// num: 5
// numbers: [5, 4, 3, 2, 1]
// numbers: [5, 4, 3, 2, 1]