Switch Statements using Swift

Press the switch on or off

Here the image of a Switch represents two states, either on or off. In Swift Switch statements allow us to have an alternative to If statements to choose between two (or more) options.

Although Switch statements are relatively easy, there are a number of prerequisites for this article. Make sure you read up, and then get going on this guide!

Photo by twinsfisch on Unsplash

Difficulty: Beginner | Easy | Normal | Challenging

Prerequisites:

• Be able to produce a “Hello, World!” iOS application (guide HERE)
• Protocols in Swift (guide HERE)
• A grasp of enum would be useful (guide HERE)
• It would be useful to be familiar with String Interpolation (guide HERE)
• Tuples are featured later on, but you are shown how to create them, and underscores are used to ignore Tuple Components (guide HERE)
• Networking responses are mentioned, but this is only to give context and is not essential to this guide

Terminology

Enum: A type consisting of a set of named values, called members

Fallthrough: Fall through the bottom of each case and into the next one