A simple example of the Command Design Pattern in Swift might involve creating a class for a remote control. This class would have a method for setting a command, which could be used to set a closure that represents a specific action or operation. For example, the remote control might have a method for setting the closure that turns the television on or off.
To implement the Command Design Pattern in Swift, you would first define a protocol that represents a command. This protocol would have a single method that is used to execute the command. Here is an example of what this protocol might look like: