From 4208fe29b540651c11b4812eedcc747df9d4f699 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@musicpd.org>
Date: Fri, 10 Aug 2018 18:35:29 +0200
Subject: [PATCH] tag/Mask: add method Unset()

---
 src/tag/Mask.hxx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/tag/Mask.hxx b/src/tag/Mask.hxx
index fdc71d9bb..a4f77054a 100644
--- a/src/tag/Mask.hxx
+++ b/src/tag/Mask.hxx
@@ -87,6 +87,10 @@ public:
 	void Set(TagType tag) {
 		*this |= tag;
 	}
+
+	void Unset(TagType tag) {
+		*this |= ~TagMask(tag);
+	}
 };
 
 #endif