wleii

protocol Asable {
    func `as`<T>(_ anyType: T.Type) -> T?
    func `is`<T>(_ anyType: T.Type) -> Bool
}
extension Asable {
    func `as`<T>(_ anyType: T.Type) -> T? {
        return self as? T
    }
    func `is`<T>(_ anyType: T.Type) -> Bool {
        return self is T

wleii

struct Model {
  lazy var value: String = {
    return text
  }()
  
  var myValue: String {
    return value //error: Cannot use mutating getter on immutable value: 'self' is immutable
  }
}

wleii

public extension Decodable {
    static func toModel(_ value: [String: Any], using decoder: JSONDecoder = JSONDecoder()) throws -> Self {
        let data = try JSONSerialization.data(withJSONObject: value, options: JSONSerialization.WritingOptions.init(rawValue: 0))
        return try toModel(data, using: decoder)
    }
    static func toModel(_ value: [[String: Any]], using decoder: JSONDecoder = JSONDecoder()) throws -> [Self] {
        let data = try JSONSerialization.data(withJSONObject: value, options: JSONSerialization.WritingOptions.init(rawValue: 0))
        return try toModel(data, using: decoder)
    }

wleii

import Foundation
import Alamofire


enum HTTPResult<Value> {
    case success(Value)
    case failure(Error)

}

wleii

#!/usr/bin/osascript

tell application "System Events"
  repeat
    if exists process "Safari" then
      tell application "Safari"
        activate
        end tell
        tell process "Safari"
        keystroke "r" using {command down}

wleii

extension UIScrollView {
    //当UIScrollView滑动手势与 UIScreenEdgePanGestureRecognizer手势同在，手势沿响应链向下传递
    func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldRecognizeSimultaneouslyWithGestureRecognizer otherGestureRecognizer: UIGestureRecognizer) -> Bool {
        // 如果侧滑 Back 手势以及侧滑滚动手势同时响应，则调用 `open func require(toFail otherGestureRecognizer: UIGestureRecognizer)`使其侧滑滚动手势 failed
        if gestureRecognizer is UIPanGestureRecognizer && otherGestureRecognizer is UIScreenEdgePanGestureRecognizer {
            gestureRecognizer.require(toFail: otherGestureRecognizer)
            // 允许手势沿响应链向下传递
            return true
        }

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let page = Int(floor(($0.x - itemWidth / 2) / itemWidth) + 1)
pageControl.currentPage = page

wleii

// MARK: - FlowLayout
private class FlowLayout: UICollectionViewFlowLayout, WaterfullFlowLayout {
    var preparedLayoutAttributes: [UICollectionViewLayoutAttributes] = []
    override init() {
        super.init()
        callInit()
    }
    required init?(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)

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    override func viewWillAppear(animated: Bool) {
        
        animateTable()
        
    }
    
    func animateTable() {
        
        self.tableView.reloadData()