Adding additional feature to Reactive Struct and BindingTargetProvider present in Reactive Swift

Reactive+Extension

//
//  Reactive+Extension.swift
//
//  Created by Ankit Aggarwal on 03/01/17.
//  Copyright © 2017 Ankit Aggarwal. All rights reserved.
//

// Explanation can be found in my medium blog here : 

import UIKit
import ReactiveSwift
import Result

extension Reactive where Base: NSObjectProtocol {
    func makeBindingTarget<U>(_ key: StaticString = #function, action: @escaping (Base, U) -> Void) -> BindingTarget<U> {
        return BindingTarget(on: UIScheduler(), lifetime: lifetime) { [weak base = self.base] value in
            if let base = base {
                action(base, value)
            }
        }
    }
}

extension Reactive where Base: UIView {
    public var showLoader: BindingTarget<Bool> {
        return makeBindingTarget(action: { (view, showLoader) in
            if showLoader {
                view.showLoader()
            } else {
                view.hideLoader()
            }
        })
    }
}

extension Optional where Wrapped == BindingTargetProvider {
    @discardableResult
    public static func <~
        <Source: BindingSource, Target: BindingTargetProvider>
        (provider1: Target?, source: Source) -> Disposable?
        where Source.Value == Target.Value, Source.Error == NoError {
            guard let provider = provider1 else { return nil }
            return provider <~ source
    }

    @discardableResult
    public static  func <~
        <Source: BindingSource, Target: BindingTargetProvider>
        (provider1: Target?, source: Source) -> Disposable?
        where Target.Value == Source.Value?, Source.Error == NoError {
            guard let provider = provider1 else { return nil }
            return provider <~ source
    }
}