infix operator ??? : TernaryPrecedence
infix operator ||| : AdditionPrecedence

func ???(input: String?, valuesBlock: ((String?) -> String)) -> String {
    return valuesBlock(input)
}

func |||(ifNotNil: String, ifNil: String) -> ((String?) -> String) {
    return { (input: String?) -> String in
        if let _ = input {
            return ifNotNil
        } else {
            return ifNil
        }
    }
}

var anotherOptionalValue: String? = nil

let notNil = anotherOptionalValue ??? valueIfNotNil ||| valueIfNil
print("notNil: \(notNil)")

anotherOptionalValue = "string"

let yeahItsNil = anotherOptionalValue ??? valueIfNotNil ||| valueIfNil
print("yeahItsNil: \(yeahItsNil)")