diff --git a/src/register/mod.rs b/src/register/mod.rs
index 96ed022..beb1d76 100644
--- a/src/register/mod.rs
+++ b/src/register/mod.rs
@@ -320,7 +320,7 @@ where
         for (mut names, rules) in rules.into_iter() {
             value_map.index(names);
             let rule_resp = rules.call(value_map);
-            names = value_map.remove_index();
+            names = value_map.take_index();
 
             let field_msg = rule_resp
                 .into_iter()
diff --git a/src/value/mod.rs b/src/value/mod.rs
index 8d95903..dba3375 100644
--- a/src/value/mod.rs
+++ b/src/value/mod.rs
@@ -122,7 +122,8 @@ impl ValueMap {
         self.index = index;
     }
 
-    pub fn remove_index(&mut self) -> FieldNames {
+    /// Takes the FieldNames out of the ValueMap
+    pub fn take_index(&mut self) -> FieldNames {
         let mut x = FieldNames::default();
         mem::swap(&mut self.index, &mut x);
         x