phin

import Cocoa

/*
CoffeeScript funfact: I have 2 values ​`a`​ and ​`b`​, and wanted a 3rd value ​`x`​ that is equal to ​`a`​ if it exists, otherwise is ​`b`​ if it exists, or is ​`undefined`​ if both are
sami [18:27]
I was able to do that with just ​`x = a ? b`
*/

infix operator ?| {}
func ?| <T>(left: T?, right: T?) -> T? {