crud-operations.swift

// Get context
let context: NSManagedObjectContext = ...

// Create
let eventToInsert = Event(title: "I went to the hairdresser", date: Date())
EventManagedObject.insert(object: eventToInsert, with: context)

// Read
let events: [Event] = EventManagedObject.fetchAll(from: context)

// Update
let eventToUpdate = events[0]
eventToUpdate.date = Date()
EventManagedObject.update(object: eventToUpdate, with: context)

// Delete
let eventToDelete = events[1]
EventManagedObject.delete(eventToDelete, with: context)