Swift-Frontier-Code00.swift

class Foo {
    let sharedCounter = Shared(value: 0)
    let sharedName = Shared(value: "")

    let sm = SharedManager()

    func reset() {
        sm.borrow(sharedCounter, sharedName) { sharedCounter, sharedName in
            sharedCounter.value = 0
            sharedName.value = ""
        }
    }

    func setName(_ name: String) {
        sm.borrow(sharedName) { sharedName in
            sharedName.value = name
        }
    }

    func incFoo() {
        sm.borrow(sharedCounter) { sharedCounter in
            sharedCounter.value += 1
        }
    }
}