Printable on NSManaged Object doesn't get invoked.

gistfile1.swift

// See notes in first comment

if let moc = AppDelegate.instance.managedObjectContext {

    // fetching NSManagedObject with fancy generic typesafe helper method

    if let allGrowers = moc.fetch(Grower.self, predicate: nil, sortDescriptors: nil, returnsObjectsAsFaults: true) {
        switch allGrowers {
        case .Value(let b):
            let allGrowers = b.contents
            for grower in allGrowers {
                println("\(grower.name) -> \(grower)")
            }
        case .Error(let e):
            println("Couldn't fetch all growers because \(e)")
        }
    }
    
    // fetching the objects as simply as possible
    
    let request = NSFetchRequest(entityName: "Grower")
    let result = moc.executeFetchRequest(request, error: nil)
    println("Raw result:")
    println(result)
}

///// Extension for the Grower object:


extension Grower : NamedEntity {
    
    class var entityName: String {
        return "Grower"
    }
    
    override var description: String {
        return self.name
    }
    
    override var debugDescription: String {
        return "Debug: \(self.name)"
    }
        
}

Me too. I tried to print single object, it just returned:

{
CoreData.NSManagedObject = {
ObjectiveC.NSObject = {}
}
}