1 files changed, 14 insertions, 0 deletions
diff --git a/source/blender/blenlib/BLI_set.hh b/source/blender/blenlib/BLI_set.hh
index b09dd910007..dc9df5d116a 100644
--- a/source/blender/blenlib/BLI_set.hh
+++ b/source/blender/blenlib/BLI_set.hh
@@ -277,6 +277,20 @@ class Set {
   }
 
   /**
+   * Return true if this set contains no elements.
+   */
+  bool is_empty() const
+  {
+    return this->size() == 0;
+  }
+
+  void clear()
+  {
+    this->~Set();
+    new (this) Set();
+  }
+
+  /**
    * Returns true when there is at least one element that is in both sets.
    * Otherwise false.
    */