onevcat

final class ViewController: UIPageViewController {

    class Inner: UIViewController {
        var color: UIColor!
        var name: String!

        override func viewDidLoad() {
            view.backgroundColor = color
        }

onevcat

struct ContentView: View {
    let foo: Bool = true
    var body: some View {
        Button(action: {
            print("miao")
        }) {
            Text("Click Me")
        }.buttonStyle(MyButtonStyle())
    }
}

onevcat

import SwiftUI

class Foo: ObservableObject {
    @Published var toggle = false
}

struct ContentView: View {
    @EnvironmentObject var foo: Foo
    var body: some View {
        VStack {

onevcat

https://github.com/sagood/awesome-iOS-resource/blob/master/Books/Swifter%20100个%20Swift%20必备%20Tips.pdf
https://github.com/KocoClass/awesome-iOS-resource/blob/master/Books/Swifter%20100个%20Swift%20必备%20Tips.pdf
https://github.com/wujungao/awesome-iOS-resource/blob/master/Books/Swifter%20100个%20Swift%20必备%20Tips.pdf
https://github.com/asd8855/awesome-iOS-resource/blob/master/Books/Swifter%20100个%20Swift%20必备%20Tips.pdf
https://github.com/Yuanzc005/awesome-iOS-resource/blob/master/Books/Swifter%20100个%20Swift%20必备%20Tips.pdf
https://github.com/199305a/awesome-iOS-resource/blob/master/Books/Swifter%20100个%20Swift%20必备%20Tips.pdf
https://github.com/xuehaiwuya11/awesome-iOS-resource/blob/master/Books/Swifter%20100个%20Swift%20必备%20Tips.pdf
https://github.com/leoAntu/awesome-iOS-resource/blob/master/Books/Swifter%20100个%20Swift%20必备%20Tips.pdf
https://github.com/imthunder/awesome-iOS-resource/blob/master/Books/Swifter%20100个%20Swift%20必备%20Tips.pdf
https://github.com/Ericfengshi/awesome-iOS-resource/blob/master/Book

onevcat

import UIKit
import WebKit

// Disableing `WKWebView` user zooming by returning `nil` in `UIScrollViewDelegate`'s
// `viewForZooming` delegate method.
// On iOS 12, the delegate method only called when set the web view itself as the
// scroll view delegate.

class WebView: WKWebView {}

onevcat

//Solution goes in Sources

public struct Card: CustomStringConvertible {
    enum Suit: String {
        case spade = "♤", heart = "♡", club = "♧", diamond = "♢"

        // It is not the standard Texas poker rule. All suits are considered equal.
        // However, there is a test case to "brake tide by suit", in which "heart" is the largest.
        var value: Int {
            switch self {

onevcat

// For Request and Response defination, see https://onevcat.com/2016/12/pop-cocoa-2/

// Define the possible requests
protocol Request {
    // Every request should have a corresponding Response
    // Here we want all response could contain error cases
    associatedtype Response: ErrorResponsable & Decodable
    //...
}

onevcat

//: A UIKit based Playground for presenting user interface
  
import UIKit
import PlaygroundSupport

extension Notification {
    struct UserInfoKey<ValueType>: Hashable {
        let key: String
    }
    

onevcat

import UIKit
import PlaygroundSupport

struct ToDoItem {
    let id: UUID
    let title: String
    
    init(title: String) {
        self.id = UUID()
        self.title = title

onevcat

struct _ContiguousArrayBuffer<Element> : _ArrayBufferProtocol {

  internal var _storage: _ContiguousArrayStorageBase

  internal func _initStorageHeader(count: Int, capacity: Int) {
#if _runtime(_ObjC)
    let verbatim = _isBridgedVerbatimToObjectiveC(Element.self)
#else
    let verbatim = false
#endif