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iOS Swift 2.0 Basics Swift Operators Working With Operators: Part 2

Swift

Challenge Task 1 of 2

Let's assume we're creating a silly game. In this game every time a user completes an objective (whatever it is) we increment their total score by 1 point.

In the editor below, initialScore is the players current score. Assuming they completed a single objective for this level, let's add 1 point to their score using the increment operator and assign the result to a constant named totalScore.

Remember that the position of the unary increment operator matters. For this task to pass, we want both totalScore and initialScore to have the same value after the increment operation.

operators2.swift
// Enter your code below

var initialScore = 8

var totalScore = 8
totalScore = totalScore + 1

1 Answer

Okay, i can see that you're trying to create a variable totalScore, and assigning the value of 8 so that it equates the value of initialScore, but thats not what the challenge is asking.

The challenge needs us to add 1 point initialScore using the increment operator and then assign the result to a constant named totalScore. So, essentially, totalScore is the incremented version of initialScore. Hence, this should work:

var initialScore = 8
let totalScore = ++initialScore