diff --git a/core/src/state/states/halting.rs b/core/src/state/states/halting.rs
index c994e45..537a3bd 100644
--- a/core/src/state/states/halting.rs
+++ b/core/src/state/states/halting.rs
@@ -4,11 +4,17 @@
 */
 use crate::state::State;
 
+#[doc(hidden)]
 pub trait Halter {
     const HALT: bool = true;
 
     private!();
 }
+#[doc(hidden)]
+pub enum Halting<T> {
+    Continue(T),
+    Halt(T),
+}
 
 pub struct Halt<T>(pub T);