From fb1f9ac65977f82cbec2ab89f975fa8b21eb48f9 Mon Sep 17 00:00:00 2001
From: Rapptz <rapptz@gmail.com>
Date: Mon, 21 Nov 2016 03:12:44 -0500
Subject: [PATCH] Add PermissionOverwrite.is_empty to query empty state of an
 overwrite.

Fixes #382
---
 discord/permissions.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/discord/permissions.py b/discord/permissions.py
index 74be8a434..b5b665555 100644
--- a/discord/permissions.py
+++ b/discord/permissions.py
@@ -557,6 +557,14 @@ class PermissionOverwrite:
 
         return ret
 
+    def is_empty(self):
+        """Checks if the permission overwrite is currently empty.
+
+        An empty permission overwrite is one that has no overwrites set
+        to True or False.
+        """
+        return all(x is None for x in self._values.values())
+
     def update(self, **kwargs):
         """Bulk updates this permission overwrite object.