broomburgo

/// source: http://www.objc.io/books/

import Foundation

final public class Box<T> {
    public let unbox: T
    public init (_ value: T) { /// by adding '_' we can ignore the value name when we create a Box object (ex. this way we can just write something like let three = Box(3)
        self.unbox = value
    }
}

broomburgo

let loremIpsum = ["Lorem","ipsum","dolor","sit","amet","consectetur","adipiscing","elit","Nunc","malesuada","vel","nisl","eget","sodales","Duis","sem","nulla","egestas","vel","neque","id","maximus","tempor","odio","Vestibulum","nisi","ipsum","porttitor","mattis","quam","sed","luctus","accumsan","velit","Curabitur","ornare","neque","eget","imperdiet","porttitor","nisi","odio","finibus","urna","quis","dignissim","mi","urna","vel","arcu","Lorem","ipsum","dolor","sit","amet","consectetur","adipiscing","elit","Mauris","vehicula","enim","eu","finibus","tempus","eros","tortor","interdum","risus","eu","condimentum","diam","dui","eu","lectus","Aenean","tincidunt","tincidunt","tellus","id","sollicitudin","Maecenas","ut","diam","fermentum","ante","scelerisque","dictum","Sed","finibus","lacus","in","dolor","euismod","vitae","sodales","nunc","varius","Nunc","vitae","dui","tincidunt","imperdiet","magna","sed","luctus","metus","Aenean","ullamcorper","dignissim","quam","vel","ornare","Suspendisse","potenti","Sed","lobortis",

broomburgo

/* NOT QUITE FLEXIBLE
struct Field {
    
    let id: String
    
    let name: String
    
    let value: String
    
    let visible: Bool

broomburgo

import Foundation

public enum Persistence {
  case Stop
  case Continue
}

public final class Signal<Subtype> {
  typealias Observation = Subtype -> Persistence

broomburgo

/// MainPage initializer
init(feedbackModelController: ModelController<FeedbackModel>) {
  super.init(nibName: nil, bundle: nil)
  feedbackModelController.updateSignal.onReception § eachTime § updateViewsWithFeedbackModel
  viewReadyEmitter.signal.onReception § eachTime § feedbackModelController.notify
}

broomburgo

pageFactory.signalMakeMainPage
  .flatMap { $0.signalLeaveFeedback }
  .onReception § eachTime § inAnyCase § presentSelectionPage
  
pageFactory.signalMakeSelectionPage
  .flatMap { $0.signalSelection }
  .onReception § eachTime § inAnyCase § popTopPage

broomburgo

func collectFeedbackModelChange() -> Signal<FeedbackModelChange> {
  return pageFactory.signalMakeMainPage
    .flatMap { $0.signalPolarizedChanged }
    .map(FeedbackModel.transformWithPolarized)
    + pageFactory.signalMakeSelectionPage
      .flatMap { $0.signalSelection }
      .map(FeedbackModel.transformWithFeedback)
}

broomburgo

feedbackModelController.deltaSignal
  .filter { $0.feedback.rawValue < $1.feedback.rawValue}
  .filter { $1.feedback == .Good || $1.feedback == .ReallyGood }
  .onReception § eachTime § inAnyCase § showThankYouAlert

broomburgo

/// source: https://broomburgo.github.io/fun-ios/post/lenses-and-prisms-in-swift-a-pragmatic-approach/

protocol LensType {
	associatedtype WholeType
	associatedtype PartType

	var get: (WholeType) -> PartType { get }
	var set: (PartType,WholeType) -> WholeType { get }

	init(get: @escaping (WholeType) -> PartType, set: @escaping (PartType,WholeType) -> WholeType)

broomburgo

protocol TaggedType {
	associatedtype TagType
}

protocol TypeConstructor1: TaggedType {
	associatedtype ParameterType1
}

protocol TypeConstructor2: TypeConstructor1 {
	associatedtype ParameterType2