rosskimes

import Combine
import CoreData

extension NSManagedObjectContext {
    func changesPublisher<Object: NSManagedObject>(for fetchRequest: NSFetchRequest<Object>)
        -> ManagedObjectChangesPublisher<Object>
    {
        ManagedObjectChangesPublisher(fetchRequest: fetchRequest, context: self)
    }
}

rosskimes

import Foundation

struct DataModel: Codable {
	let name: String
	let description: String
}

struct DataModelV1: Codable {
	let name: String
}

rosskimes

 a:  AM/PM
 A:	0~86399999 (Millisecond of Day)
 
 c/cc:	1~7 (Day of Week)
 ccc:	Sun/Mon/Tue/Wed/Thu/Fri/Sat
 cccc:	Sunday/Monday/Tuesday/Wednesday/Thursday/Friday/Saturday
 
 d:	1~31 (0 padded Day of Month)
 D:	1~366 (0 padded Day of Year) 
 

rosskimes

public extension Array {
 
	/**
	:param: transform The closure to apply to each value of `self`.
	:returns: `Array` containing the results of mapping `transform` over `self` and removing all `nil` values.
	*/
	public 	func filterMap<U>(transform: (T) -> U?) -> [U] {
		var mapped = [U]()
		for item in self {
			if let unwrapped = transform(item)? {