Basic reversing algorithms for arrays and strings.

Reverse.swift

import Foundation

// MARK: - Reverse Array
func reverse<T>(array: [T]) -> [T] {
    var reversedArray = array
    var index = 0
    while index < array.count {
        reversedArray[index] = array[array.count - index - 1]
        index += 1
    }
    return reversedArray
}


reverse(array: [1, 2, 3, 4, 5]) // -> [5, 4, 3, 2, 1]
reverse(array: ["1", "2", "3", "4", "5"]) // -> ["5", "4", "3", "2", "1"]
reverse(array: [true, false, false]) // -> [false, false, true]


// MARK: - Reverse String
func reverse(string: String) -> String {
    var reversedString = ""
    for char in string {
        reversedString = String(char) + reversedString
    }
    return reversedString
}

reverse(string: "Ahmed Fathi") // -> "ihtaF demhA"