Combine 실습2

import Combine

// PassthroughSubject
let relay = PassthroughSubject<String, Never>()
let subscription1 = relay.sink { value in
	print("subscription1 received value: \(value)")
}

relay.send("Hello")
relay.send("World!")


// CurrentValueSubject

let variable = CurrentValueSubject<String, Never>("")

variable.send("Initial text")

let subscription2 = variable.sink { value in
	print("subscription2 received value: \(value)")
}

variable.send("More text")
variable.value

let publisher = ["Here", "we", "go"].publisher
publisher.subscribe(relay)
publisher.subscribe(variable)