Created
October 11, 2015 04:32
-
-
Save dirk/986b9c7f4abfa1aaed88 to your computer and use it in GitHub Desktop.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import Foundation | |
// Must use <T> instead of <T: AnyObject> to be able to | |
// convert to structs (value types) like String. | |
func cast<T>(object: AnyObject) -> T? { | |
return object as? T | |
} | |
let string: String? = cast("i'm a string!") |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment