Files
swift-mirror/stdlib/public/SDK/CoreData/NSManagedObjectContext.swift
2017-03-22 17:35:14 -07:00

25 lines
951 B
Swift

//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
@_exported import CoreData
import Foundation
extension NSManagedObjectContext {
public func fetch<T>(_ request: NSFetchRequest<T>) throws -> [T] {
return try fetch(unsafeDowncast(request, to: NSFetchRequest<NSFetchRequestResult>.self)) as! [T]
}
public func count<T>(for request: NSFetchRequest<T>) throws -> Int {
return try count(for: unsafeDowncast(request, to: NSFetchRequest<NSFetchRequestResult>.self))
}
}