In the preceding subscript examples, all of the subscripts accepted integers as the value for the subscript. However, we are not limited to integers. In the following example, we could use a String type as the value for the subscript. The subscript will also return a String type:
struct Hello {
subscript (name: String) ->String {
return "Hello \(name)"
}
}
In this example, the subscript takes a string as the value within the subscript and returns a message, saying Hello. Let's see how to use this subscript:
var hello = Hello() print(hello["Jon"])
This example will display the message, Hello Jon, to the console.