kazuhiro4949

/**
#### Example
if case Regex("^regular\s.+$") = "regular expression" {
    return true
}

switch "regular expression" {
case Regex("^regular\s.+$"):
  print("match ^regular\s.+$")
case Regex("^regurar\s.+$"):

kazuhiro4949

/**
adapt to enum which is Int Raw Value.
It make enum return the array of cases

#### Example
```
enum SomeEnum: IntRawValueEnumerable {
    case AAA
    case BBB
}

kazuhiro4949

extension UIColor {
    /**
    convert rgb to UIColor object
    */
    class func color(color: UInt32, alpha : CGFloat = 1.0) -> UIColor {
        let r = CGFloat((color & 0xFF0000) >> 16) / 255.0
        let g = CGFloat((color & 0x00FF00) >> 8) / 255.0
        let b = CGFloat(color & 0x0000FF) / 255.0
        return UIColor(red:r,green:g,blue:b,alpha:alpha)
    }

kazuhiro4949

//: Playground - noun: a place where people can play

import UIKit
import XCPlayground


class MyViewController<Delegate: MyViewControllerDelegate>: UICollectionViewController, UICollectionViewDelegateFlowLayout {
    
    var delegate: AnyMyViewControllerDelegate<Delegate>?
    var items = [Array<Delegate.Item>]() {

kazuhiro4949

import UIKit

class PickerKeyboard: UIControl {
    
    var data: [String] = ["Mon.", "Tue.", "Wed.", "Thu.", "Fri.", "Sut.", "Sun."]
    fileprivate var textStore: String = ""
    
    override func draw(_ rect: CGRect) {
        UIColor.black.set()
        UIRectFrame(rect)

kazuhiro4949

hoge

kazuhiro4949

class TextView: UITextView {
    
    lazy var moreLabel: UILabel = {
        let label = UILabel()
        label.text = "さらに表示"
        label.textColor = .gray
        label.font = self.font
        label.textAlignment = .center
        return label
    }()

kazuhiro4949

//: Playground - noun: a place where people can play

import UIKit


// Cake PatternもどきをSwiftで実装したもの。要するにProtocolのコンポジションによって依存の定義、解決をしていく

protocol Animal {}
struct Cat: Animal {}

kazuhiro4949

import UIKit
import ImageIO

// make one shot gif animation from Gif.
let gif = Gif(with: "GIF File Name (not in asset catalog)")!
let base: Double = 4000
let imageView = UIImageView(frame: CGRect(x: 0, y: 0, width: 100, height: 100))

// set start image before starting animation
imageView.image = gif.frames.first

kazuhiro4949

import SwiftUI

struct ContentView: View {
    private static let imageHeight: CGFloat = 300
    
    @State private var offset: CGFloat = 0
    
    
    var body: some View {
        ScrollView {