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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2022 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
//
//===----------------------------------------------------------------------===//
// Required to be `AnyObject` because it optimizes the call sites in the `struct` wrapper for efficient function dispatch.
package protocol _CalendarProtocol: AnyObject, Sendable, CustomDebugStringConvertible {
init(identifier: Calendar.Identifier, timeZone: TimeZone?, locale: Locale?, firstWeekday: Int?, minimumDaysInFirstWeek: Int?, gregorianStartDate: Date?)
var identifier: Calendar.Identifier { get }
var locale: Locale? { get }
var localeIdentifier: String { get }
var timeZone: TimeZone { get }
var firstWeekday: Int { get }
/// Returns a different first weekday than the Calendar might normally use, based on Locale preferences.
var preferredFirstWeekday: Int? { get }
var minimumDaysInFirstWeek: Int { get }
/// Returns a different min days in first week than the Calendar might normally use, based on Locale preferences.
var preferredMinimumDaysInFirstweek: Int? { get }
var gregorianStartDate: Date? { get }
var isAutoupdating: Bool { get }
var isBridged: Bool { get }
var debugDescription: String { get }
func copy(changingLocale: Locale?, changingTimeZone: TimeZone?, changingFirstWeekday: Int?, changingMinimumDaysInFirstWeek: Int?) -> any _CalendarProtocol
func hash(into hasher: inout Hasher)
func minimumRange(of component: Calendar.Component) -> Range<Int>?
func maximumRange(of component: Calendar.Component) -> Range<Int>?
func range(of smaller: Calendar.Component, in larger: Calendar.Component, for date: Date) -> Range<Int>?
func ordinality(of smaller: Calendar.Component, in larger: Calendar.Component, for date: Date) -> Int?
func dateInterval(of component: Calendar.Component, for date: Date) -> DateInterval?
func isDateInWeekend(_ date: Date) -> Bool
func date(from components: DateComponents) -> Date?
func dateComponents(_ components: Calendar.ComponentSet, from date: Date, in timeZone: TimeZone) -> DateComponents
func dateComponents(_ components: Calendar.ComponentSet, from date: Date) -> DateComponents
func date(byAdding components: DateComponents, to date: Date, wrappingComponents: Bool) -> Date?
func dateComponents(_ components: Calendar.ComponentSet, from start: Date, to end: Date) -> DateComponents
#if FOUNDATION_FRAMEWORK
func bridgeToNSCalendar() -> NSCalendar
#endif
}
extension _CalendarProtocol {
package var preferredFirstWeekday: Int? { nil }
package var preferredMinimumDaysInFirstweek: Int? { nil }
package var isAutoupdating: Bool { false }
package var isBridged: Bool { false }
package var gregorianStartDate: Date? { nil }
package var debugDescription: String { "\(identifier)" }
package var localeIdentifier: String {
// We use this to provide a consistent answer for hashing and equality -- null is equal to an empty string
locale?.identifier ?? ""
}
}
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