Prevent inserting the same key multiple times into an input action

openVulkanoCpp/Input/InputKey.hpp

@@ -309,5 +309,15 @@ namespace OpenVulkano::Input
 		[[nodiscard]] InputType GetInputType() const { return type; }
 
 		[[nodiscard]] int16_t GetInputKey() const { return key; }
+
+		bool operator==(const InputKey& other)
+		{
+			return deviceType == other.deviceType && type == other.type && key == other.key;
+		}
+
+		bool operator!=(const InputKey& other)
+		{
+			return !(*this == other);
+		}
 	};
 }