creaaa

func testFuture() {

    let expectation1 = XCTestExpectation(description: self.debugDescription)
    var cancellables = Set<AnyCancellable>()

    let future = Future<Int, Error> { promise in
        promise(.success(42))
    }

    // Future自体は他のPubと全く同じように、Subされて初めて値を放出し始めるのだから、

creaaa

share() を消すとどうなるか？
=> 購読が1本ではなく、2本発生するので、1も2も両方 valueとfinished を無事受け取れる。

Received data 1: 1256 bytes.
Received completion 1: finished.
Received data 2: 1256 bytes.
Received completion 2: finished.

これだとPublisherの生成コストがエコではないから、share()を使ってPublisherを struct => class化し、

creaaa

//
//  ContentView.swift
//  SwiftyPageControl
//
//  Created by crea on 2019/09/15.
//  Copyright © 2019 crea. All rights reserved.
//

import SwiftUI

creaaa

//
//  ContentView.swift
//  NaviGomi
//
//  Created by crea on 2019/09/09.
//  Copyright © 2019 crea. All rights reserved.
//

import SwiftUI

creaaa

tap "fromkk/testsummaries"
tap "getsentry/tools"
tap "go-delve/delve"
tap "homebrew/bundle"
tap "homebrew/cask"
tap "homebrew/core"
tap "homebrew/services"
tap "mono0926/license-plist"
brew "bitrise"
brew "carthage"

creaaa

import UIKit

class HogeClass {}

// 意味: このプロトコルに適合させるクラスは、
// 必ずこのクラス(HogeClass)のサブクラスでなくてはならない
// ≒ HogeClassを継承しないといけない
// (Self == HogeClass とは書けない)
protocol HogeProtocol where Self: HogeClass {
    func hoge()

creaaa

[Q1]

let single = Single<Int>.create(subscribe: { (observer) in
  observer(.success(1))
  observer(.success(2))
  return Disposables.create()
})
 _ = single.subscribe(onSuccess: { print($0) },
                      onError:   { print($0) })

creaaa

let observable = Observable<Int>.empty()
observable
    .subscribe(onCompleted: { print("completedきた") })
    .disposed(by: bag)
    
// result
"completedきた"

creaaa

import UIKit

class StaticClass {
    static var pokemon = Pokemon(name: "Pikachu")
    deinit {
        print("static class died")
    }
}

creaaa

        let boss = self.tfBoss.rx.text
            .map { text -> String in
                print("はいきた")
                let t = text ?? ""
                return t
            }
        
        boss.subscribe(onNext: { text in
            print("hogehoge1")
            self.tf1.text = text