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Swift Extensions are quite a powerful feature and Swift and can greatly speed up your productivity. If you haven’t used them yet your in for a treat. What are Swift extensions? Extensions allow you to “extend” the functionality of an existing Swift class. It allows you to add custom methods to these classes which can […]

Converting a string to a number is simple thanks to Swift. The following code will take the number 42 and convert it to an int, float and double. let number = 42 let int = Int(number) let float = Float(number) let double = Double(number) print(int) print(float) print(double) It will then print the results to the […]

Generating a random number in swift is easy. This tutorial will cover generating a random int, double, float and CGFloat using simple functions. To generate a random integer use the following function func randomInt(min: Int, max: Int) -> Int { return min + Int(arc4random_uniform(UInt32(max – min + 1))) } Then you simply can generate a […]

Checking if an element is an an array in swift is easy, with no special code required. In the example below we search our array the number “3” and print out “yes” if it is found: let elements = [3, 6, 9, 1, 7, 9] if elements.contains(3) { print(“yes”) } Since our array does in […]