1 files changed, 8 insertions, 0 deletions
diff --git a/source/types.hpp b/source/types.hpp
index 461d835..fd0b81e 100644
--- a/source/types.hpp
+++ b/source/types.hpp
@@ -108,5 +108,13 @@ auto WordWrap = [] {
     return list;
 };
 
+enum class Error : int {
+    none = 1,
+    push,
+    pop,
+    rpush,
+    rpop
+};
+
 #endif // TYPES_HPP