Change the notion of list equality

1 files changed, 11 insertions, 0 deletions

diff --git a/src/tag_list.cpp b/src/tag_list.cpp
index 2b66889e56..d0ae233e80 100644
--- a/src/tag_list.cpp
+++ b/src/tag_list.cpp
@@ -95,5 +95,16 @@ auto tag_list::end() const    -> const_iterator { return tags.end(); }
 auto tag_list::cbegin() const -> const_iterator { return tags.cbegin(); }
 auto tag_list::cend() const   -> const_iterator { return tags.cend(); }
 
+bool operator==(const tag_list& lhs, const tag_list& rhs)
+{
+    if(lhs.size() == 0 && rhs.size() == 0)
+        return true;
+    return lhs.el_type_ == rhs.el_type_ && lhs.tags == rhs.tags;
 }
 
+bool operator!=(const tag_list& lhs, const tag_list& rhs)
+{
+    return !(lhs == rhs);
+}
+
+}