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- //
- // Reactive.swift
- // RxSwift
- //
- // Created by Yury Korolev on 5/2/16.
- // Copyright © 2016 Krunoslav Zaher. All rights reserved.
- //
- /**
- Use `Reactive` proxy as customization point for constrained protocol extensions.
- General pattern would be:
- // 1. Extend Reactive protocol with constrain on Base
- // Read as: Reactive Extension where Base is a SomeType
- extension Reactive where Base: SomeType {
- // 2. Put any specific reactive extension for SomeType here
- }
- With this approach we can have more specialized methods and properties using
- `Base` and not just specialized on common base type.
- */
- public struct Reactive<Base> {
- /// Base object to extend.
- public let base: Base
- /// Creates extensions with base object.
- ///
- /// - parameter base: Base object.
- public init(_ base: Base) {
- self.base = base
- }
- }
- /// A type that has reactive extensions.
- public protocol ReactiveCompatible {
- /// Extended type
- associatedtype ReactiveBase
- @available(*, deprecated, renamed: "ReactiveBase")
- typealias CompatibleType = ReactiveBase
- /// Reactive extensions.
- static var rx: Reactive<ReactiveBase>.Type { get set }
- /// Reactive extensions.
- var rx: Reactive<ReactiveBase> { get set }
- }
- extension ReactiveCompatible {
- /// Reactive extensions.
- public static var rx: Reactive<Self>.Type {
- get {
- return Reactive<Self>.self
- }
- // swiftlint:disable:next unused_setter_value
- set {
- // this enables using Reactive to "mutate" base type
- }
- }
- /// Reactive extensions.
- public var rx: Reactive<Self> {
- get {
- return Reactive(self)
- }
- // swiftlint:disable:next unused_setter_value
- set {
- // this enables using Reactive to "mutate" base object
- }
- }
- }
- import class Foundation.NSObject
- /// Extend NSObject with `rx` proxy.
- extension NSObject: ReactiveCompatible { }
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