Otbivnoe

extension RawRepresentable {
    init?(value: Self.RawValue?) {
        if let value = value {
            self.init(rawValue: value)
        }
        else {
            return nil
        }
    }
}

Otbivnoe

class Base: NSObject, NSCoding, StaticMappable {
    
    var d: Int?
    
    override init() {}
    
    init(d: Int?) {
        self.d = d
    }
    

Otbivnoe

extension ObservableType {
    
    func flatMap<A: AnyObject, O: ObservableType>(weak obj: A, selector: @escaping (A, Self.E) throws -> O) -> Observable<O.E> {
        return flatMap { [weak obj] value -> Observable<O.E> in
            try obj.map { try selector($0, value).asObservable() } ?? .empty()
        }
    }
    
    func flatMapFirst<A: AnyObject, O: ObservableType>(weak obj: A, selector: @escaping (A, Self.E) throws -> O) -> Observable<O.E> {
        return flatMapFirst { [weak obj] value -> Observable<O.E> in

Otbivnoe

login(username: "Username", password: "Password")
    .flatMap { [weak self] user -> Observable<[Post]> in
        return self.loadPosts(for: user)
    }
    .subscribe()

Otbivnoe

login(username: "Username", password: "Password")
    .flatMap { [weak self] user -> Observable<[Post]> in
        guard let `self` = self else {
            return Observable.empty()
        }
        return self.loadPosts(for: user)
    }
    .subscribe()

Otbivnoe

extension ObservableType {
    
    func flatMap<A: AnyObject, O: ObservableType>(weak obj: A, selector: @escaping (A, Self.E) throws -> O) -> Observable<O.E> {
        return flatMap { [weak obj] value -> Observable<O.E> in
            try obj.map { try selector($0, value).asObservable() } ?? .empty()
        }
    }
}

Otbivnoe

login(username: "Username", password: "Password")
    .flatMap(weak: self) { obj, user -> Observable<[Post]> in
        return obj.loadPosts(for: user)
    }
    .subscribe()

Otbivnoe

osx_image: xcode8.3
xcode_workspace: HelloOpenSource.xcworkspace
matrix:
  include:
    - os: linux
      dist: trusty
      sudo: required
      language: generic

    - xcode_scheme: HelloOpenSource macOS

Otbivnoe

protocol HasService1 {
    var service1: Service1 { get }
}
protocol HasService2 {
    var service2: Service2 { get }
}

class Service1 {}
class Service2 {}

Otbivnoe

 static public func create() -> Disposable {
     return NopDisposable.noOp
 }