Started MessageAction trait.

src/action/addition.rs

@@ -1,5 +1,5 @@
 use super::{CalcValue, Field, RequestData};
-use crate::name::NameType;
+use crate::{message::MessageAction, name::NameType};
 use uuid::Uuid;
 
 #[derive(Clone, Debug)]
@@ -19,10 +19,6 @@ impl Addition {
         }
     }
 
-    pub fn doc_name(&self) -> NameType {
-        self.doc_name.clone()
-    }
-
     pub fn add_field<NT, CV>(&mut self, name: NT, field: CV)
     where
         CV: Into<CalcValue>,
@@ -36,6 +32,12 @@ impl Addition {
     }
 }
 
+impl MessageAction for Addition {
+    fn doc_name(&self) -> NameType {
+        self.doc_name.clone()
+    }
+}
+
 #[cfg(test)]
 mod additions {
     use super::*;