add operator!= to Primitive_Id

1 files changed, 3 insertions, 0 deletions

diff --git a/video.hpp b/video.hpp
index 1ccc93d..523ded6 100644
--- a/video.hpp
+++ b/video.hpp
@@ -23,6 +23,9 @@ struct Primitive_Id {
 	bool operator==(Primitive_Id<T> other) const {
 		return index == other.index;
 	}
+	bool operator!=(Primitive_Id<T> other) const {
+		return index != other.index;
+	}
 	operator bool() const {
 		return index != 0;
 	}