From 546f779373d1a46d4bf1ec5af83e8f766ec6e945 Mon Sep 17 00:00:00 2001
From: Hristo Staykov <hstaykov@apple.com>
Date: Tue, 22 Oct 2024 15:54:29 -0700
Subject: [PATCH] Make RecurrenceRule and its friends conform to Hashable

As agreed in SF-0010. Resolves rdar://136704624
---
 .../FoundationEssentials/Calendar/RecurrenceRule.swift | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/Sources/FoundationEssentials/Calendar/RecurrenceRule.swift b/Sources/FoundationEssentials/Calendar/RecurrenceRule.swift
index b9ebb6dfd..98fa4db53 100644
--- a/Sources/FoundationEssentials/Calendar/RecurrenceRule.swift
+++ b/Sources/FoundationEssentials/Calendar/RecurrenceRule.swift
@@ -109,7 +109,7 @@ extension Calendar {
         public var interval: Int
         /// When a recurring event stops recurring
         public struct End: Sendable, Equatable {
-            private enum _End: Equatable {
+            private enum _End: Equatable, Hashable {
                 case never
                 case afterDate(Date)
                 case afterOccurrences(Int)
@@ -449,7 +449,7 @@ extension Calendar.RecurrenceRule: Codable {
 }
 
 @available(FoundationPreview 6.0.2, *)
-extension Calendar.RecurrenceRule.End: CustomStringConvertible {
+extension Calendar.RecurrenceRule.End: CustomStringConvertible, Hashable {
     public var description: String {
         switch self._guts {
             case .never: "Never"
@@ -458,3 +458,9 @@ extension Calendar.RecurrenceRule.End: CustomStringConvertible {
         }
     }
 }
+@available(FoundationPreview 6.0.2, *)
+extension Calendar.RecurrenceRule.Month: Hashable { }
+@available(FoundationPreview 6.0.2, *)
+extension Calendar.RecurrenceRule.Weekday: Hashable { }
+@available(FoundationPreview 6.0.2, *)
+extension Calendar.RecurrenceRule: Hashable { }