fxm90

//
//  Redux.playground
//
//  Created by Felix Mau on 25.06.20.
//  Copyright © 2020 Felix Mau. All rights reserved.
//

import PlaygroundSupport
import SwiftUI

fxm90

//
//  Combine-PassthroughSubject-CurrentValueSubject.playground
//
//  Created by Felix Mau on 30.07.20.
//  Copyright © 2020 Felix Mau. All rights reserved.
//

import PlaygroundSupport
import Combine

groue

extension Collection {
    /// Returns an array of subsequences of maximum size `chunkSize`.
    ///
    /// For example:
    ///
    ///     // ["ABCD", "EFGH", "IJ"]
    ///     "ABCDEFGHIJ".split(chunkSize: 4)
    ///
    /// - parameter chunkSize: the maximum size of the returned subsequences.
    /// - precondition: chunkSize > 0

groue

import Foundation

/// To create an operation:
///
/// 1. Subclass AsynchronousOperation, override main, and eventually cancel the
///    operation, or set result to a non-nil value.
///
/// 2. Use makeOperation { op in ... }, and eventually cancel the
///    operation, or set result to a non-nil value.
open class AsynchronousOperation<Output, Failure: Error>: Operation {

atimca

import Combine
import Foundation

func loadNewsTitles() -> AnyPublisher<[String], Never> {
    ["title1", "title2"]
        .publisher
        .delay(for: .microseconds(500), scheduler: DispatchQueue.main)
        .collect()
        .eraseToAnyPublisher()
}

RuiAAPeres

/// This heavily based on the work done at RxGRDB

import GRDB
import ReactiveSwift

extension DatabasePool: ReactiveExtensionsProvider {}
extension DatabaseQueue: ReactiveExtensionsProvider {}
extension ValueObservation: ReactiveExtensionsProvider {}
extension DatabaseRegionObservation: ReactiveExtensionsProvider {}

chriseidhof

// Run any SwiftUI view as a Mac app.

import Cocoa
import SwiftUI

NSApplication.shared.run {
    VStack {
        Text("Hello, World")
        	.padding()
            .background(Capsule().fill(Color.blue))

sunshinejr

import Foundation
import class UIKit.UIImage

struct AttributedString: ExpressibleByStringInterpolation {
    enum Attribute: Hashable {
        enum ImportanceLevel: String, Equatable {
            case very
            case enough
        }
        case important(ImportanceLevel = .enough)

atimca

import PlaygroundSupport
import Foundation

class WeakRef<T> where T: AnyObject {

    private(set) weak var value: T?

    init(value: T?) {
        self.value = value
    }

groue

import Combine
import Foundation

/// A thread-safe store for cancellables which addresses usability pain points
/// with stock Combine apis.
///
/// ## Thread-safe storage of cancellables
///
///     let cancelBag = CancelBag()
///     cancellable.store(in: cancelBag)