Let's say you have array of int and you want to total of all element. Here is example, let ints = 1...10 // [1,2,3,4,5,6,7,8,9,10] print(ints.reduce(0, +)) After running this 2 lines of code you will get total of 1 to 10.

Let's say you have array of int and you want to total of all element.
Here is example,

        let ints = 1...10 // [1,2,3,4,5,6,7,8,9,10]
        print(ints.reduce(0, +))

After running this 2 lines of code you will get total of 1 to 10.