Can print any object to String

gistfile1.txt

infix operator ???: NilCoalescingPrecedence

public func ???<T>(optional: T?, defaultValue: @autoclosure () -> String) -> String {
    switch optional {
    case let value?:
        return String(describing: value)
    case nil:
        return defaultValue()
    }
}

let x = "123" ??? "34"
print("x: \(x)")