import UIKit
import CoreData
//import Foundation
// @objc(Decisions)
class ViewController: UIViewController, UITableViewDelegate, UIApplicationDelegate {
init(){
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
var decisions = [String]()
// var Gains: (() -> Void)!
var gain1 = ""
var gain2 = ""
var gain3 = ""
var gain4 = ""
let Gains = [gain1, gain2, gain3, gain4] ["cannot use instance member within property initializer". Without this line the "forEach" doesn't work.
override func viewDidLoad() {
super.viewDidLoad()
let persistentContainer = NSPersistentContainer(name: "No_Regrets")
persistentContainer.loadPersistentStores { (_, error) in
if let error = error {
fatalError("Failed to load Core Data stack: \(error)")
}
}
// Creates a task with a new background context created on the fly
persistentContainer.performBackgroundTask { (context) in
// Iterates the array
Gains.forEach { name in
// Creates a new entry inside the context `context` and assign the array element `name` to the dog's name
let gain1 = Gains(context: context)
gain1.name = name
let gain2 = Gains(context: context)
gain2.name = name
let gain3 = Gains(context: context)
gain3.name = name
let gain4 = Gains(context: context)
gain4.name = name
}
do {
// Saves the entries created in the `forEach`
try context.save()
} catch {
fatalError("Failure to save context: \(error)")
}
}