UIProgressView animation with RxAnimated

UIProgressView+.swift

import UIKit
import RxAnimated
import RxSwift
import RxCocoa

extension AnimatedSink where Base: UIProgressView {

	public var progress: Binder<Float> {
		let animation = self.type!
		return Binder(self.base) { (progressView: UIProgressView, progress: Float) in
			animation.animate(view: progressView) {
				guard let progressView = progressView as? UIProgressView else { return }

				progressView.progress = progress
			}
		}

	}

	public func layout(duration: TimeInterval) -> AnimatedSink<Base> {
		let type = AnimationType<Base>(type: RxAnimationType.animation, duration: duration, animations: { view in
			view.layoutIfNeeded()
		})
		return AnimatedSink<Base>(base: self.base, type: type)
	}
}


// Use:
// ------------
// progressSubject.asObservable()
// 				.observeOn(MainScheduler.instance)
// 				.bind(animated: progressView.rx.animated.layout(duration: 0.33).progress)
// 				.disposed(by: bag)