nikolaykasyanov

class ViewModel {

    init() {
        // accessing underlying subject:
        $buttonTapped
            .asObservable()
            ...
    }
    
    // look ma, no explicit subject property

nikolaykasyanov

Self в Swift и Objective-C

Дисклеймер: речь идёт об однопоточном коде, оставим ужасы параллельного исполнения за скобками. Также не рассматривается возможность overrelease.

Objective-C

Объект точно не ритейнится на время выполнения его метода, пруфы:

• http://clang.llvm.org/docs/AutomaticReferenceCounting.html#self
• https://gist.github.com/nikolaykasyanov/5a2c1fddb7dc5cafd6ea6050128e6c81

nikolaykasyanov

#import <Foundation/Foundation.h>

@interface Node: NSObject

@property (nonatomic, weak) Node *parent;
@property (nonatomic) NSArray *children;

@end

@implementation Node {

nikolaykasyanov

import Foundation

class Child {
    deinit {
        print("Child.deinit")
    }

    var parent: Parent?

    func removeFromParent() {

nikolaykasyanov

class Cmake < Formula
  desc "Cross-platform make"
  homepage "https://www.cmake.org/"
  url "https://cmake.org/files/v3.12/cmake-3.12.4.tar.gz"
  sha256 "5255584bfd043eb717562cff8942d472f1c0e4679c4941d84baadaa9b28e3194"
  head "https://cmake.org/cmake.git"

  bottle do
    cellar :any_skip_relocation
    sha256 "7bcd5ae043d2a6fd5983b026ccdc70b7594e0dbe9de4d367cfcead7edf3c8596" => :mojave

nikolaykasyanov

protocol RemoteAPIDelegate: class {
    func remoteAPIDidLoadPosts(_ posts: NSArray)
}

class RemoteAPI {

    weak var delegate: RemoteAPIDelegate?

    func loadPosts() {

nikolaykasyanov

protocol ReachabilityDelegate: class {
    func reachabilityDidChange(_ reachable: Bool)
}

class Reachability {
    weak var delegate: ReachabilityDelegate?
}

class Model: ReachabilityDelegate {
    func reachabilityDidChange(_ reachable: Bool) {

nikolaykasyanov

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>IDECodeSnippetCompletionPrefix</key>
	<string>auto</string>
	<key>IDECodeSnippetCompletionScopes</key>
	<array>
		<string>CodeBlock</string>
	</array>

nikolaykasyanov

require 'json'
require 'net/http'

module Fastlane
  module Actions
    class MfbLatestHockeyBuildAction < Action
      def self.run(config)
        host_uri = URI.parse('https://rink.hockeyapp.net')
        http = Net::HTTP.new(host_uri.host, host_uri.port)
        http.use_ssl = true

nikolaykasyanov

public protocol DBWorker2 {
    associatedtype S: SequenceType

    func fetchObjectsFromStorage(type: S.Generator.Element.Type) -> Observable<S.Generator.Element>
    func saveObjectsToStorage(objects: S) -> Observable<Void>
}

public class DBWorker2Impl: DBWorker2 {
    public func fetchObjectsFromStorage(type: Item.Type) -> Observable<Item> {
        return Observable()