PublishersOnly.swift

import Combine

class Foo {
	var blurValuePublisher: AnyPublisher<Float, Never> {
		_blurValuePublisher.eraseToAnyPublisher()
	}
	
	private var _blurValuePublisher: CurrentValueSubject<Float, Never>
	
	init() {
		_blurValuePublisher = CurrentValueSubject<Float, Never>(12.0)
	}
	
	func doStuff(_ stuff: Float) {
		_blurValuePublisher.send(50.3)
	}
}

class Bar {
	
	init() {
		let f = Foo()
		f.blurValuePublisher
			.sink { value in
				print(value)
			}
	}
}