vhart

struct Filter<Object> {
    
    let keyPath: PartialKeyPath<Object>
    private let matcher: (Any) -> Bool
  
    init<Type>(keyPath: KeyPath<Object, Type>, matcher: @escaping (Type) -> Bool) {
        self.keyPath = keyPath
        self.matcher = { value in
            let typedValue = value as! Type
            return matcher(typedValue)

vhart

struct Filter<Object> {
    
    let keyPath: PartialKeyPath<Object>
    let matcher: (Any) -> Bool
  
    init<Type>(keyPath: KeyPath<Object, Type>, matcher: @escaping (Type) -> Bool) {
        self.keyPath = keyPath
        self.matcher = { value in
            guard let typedValue = value as? Type else { return false }
            return matcher(typedValue)

vhart

struct Filter<Object> {
  
    init<Type>(keyPath: KeyPath<Object, Type>, matcher: @escaping (Type) -> Bool) {
        
    }
}

vhart

struct MyStruct {
    let name: String
    let number: Int
    var bool: Bool
}

let instance = MyStruct(name: "Korg", number: 1, bool: true)

// Referencing
let nameRef: KeyPath<MyStruct, String> = \MyStruct.name

vhart

enum FilterValue {
    case string(String)
    case bool(Bool)

    func matches(value: Any) -> Bool {
        switch self {
        case .string(let stringValue):
            return (value as? String) == stringValue
        case .bool(let boolValue):
            return (value as? Bool) == boolValue

vhart

struct Filter<Object> {

    let path: PartialKeyPath<Object>
    let matcher: (Any) -> Bool

    init<Type>(keyPath: KeyPath<Object, Type>, matcher: @escaping (Type) -> Bool) {
        self.path = keyPath
        self.matcher = { value in
            guard let typedValue = value as? Type else { return false }
            return matcher(typedValue)

vhart

import UIKit

class PermaColorView: UIView {
    var color: UIColor = .clear {
        didSet {
            backgroundColor = color
        }
    }

    override var backgroundColor: UIColor? {

vhart

import UIKit

class ChatCell: UITableViewCell {
    lazy var iconImageView: UIImageView = {
        let imageView = UIImageView()
        let icon = UIImage(named: "icons8-Sheep on Bike")
        imageView.translatesAutoresizingMaskIntoConstraints = false
        imageView.backgroundColor = .clear
        imageView.layer.cornerRadius = 25
        imageView.contentMode = .scaleAspectFit

vhart

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

import UIKit
import PlaygroundSupport

func setUpDemo() {
    let testContents = """
        This is a test
        Emojis follow:
        🚀

vhart

import android.support.test.espresso.ViewAction
import android.support.test.espresso.ViewInteraction
import android.support.test.espresso.action.CoordinatesProvider
import android.support.test.espresso.UiController
import android.view.InputDevice
import android.view.MotionEvent
import android.os.SystemClock

class MultiTouchDownEvent : ViewAction {