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.