From f444429cf1c18b3c46ac0bde6ac56f5ff3e9184e Mon Sep 17 00:00:00 2001
From: Finite Reality <DigiTechs@users.noreply.github.com>
Date: Fri, 5 Aug 2016 01:00:43 +0100
Subject: [PATCH] Add Contains overload for IEnumerable<IEntity<ulong>>

Also actually implement GetHashCode
---
 src/Discord.Net/Extensions/CollectionExtensions.cs | 5 +++++
 src/Discord.Net/Rest/Entities/Roles/Role.cs        | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/Discord.Net/Extensions/CollectionExtensions.cs b/src/Discord.Net/Extensions/CollectionExtensions.cs
index 8eebac817..811189e2b 100644
--- a/src/Discord.Net/Extensions/CollectionExtensions.cs
+++ b/src/Discord.Net/Extensions/CollectionExtensions.cs
@@ -14,6 +14,11 @@ namespace Discord
             => new ConcurrentDictionaryWrapper<TValue>(query, () => source.Count);
         public static IReadOnlyCollection<TValue> ToReadOnlyCollection<TValue>(this IEnumerable<TValue> query, Func<int> countFunc)
             => new ConcurrentDictionaryWrapper<TValue>(query, countFunc);
+
+        public static bool Contains(this IEnumerable<IEntity<ulong>> roles, ulong id)
+        {
+            return roles.Any(x => x.Id == id);
+        }
     }
 
     [DebuggerDisplay(@"{DebuggerDisplay,nq}")]
diff --git a/src/Discord.Net/Rest/Entities/Roles/Role.cs b/src/Discord.Net/Rest/Entities/Roles/Role.cs
index 1acbd19f5..d96525b4a 100644
--- a/src/Discord.Net/Rest/Entities/Roles/Role.cs
+++ b/src/Discord.Net/Rest/Entities/Roles/Role.cs
@@ -73,7 +73,7 @@ namespace Discord
 
         public override int GetHashCode()
         {
-            return base.GetHashCode();
+            return Id.GetHashCode();
         }
 
         public Role Clone() => MemberwiseClone() as Role;