move Comment enum to common

src/parse/common.rs

@@ -113,3 +113,8 @@ impl BitOr<ContextFlag> for ContextFlags {
         Self(self.0 | rhs.0)
     }
 }
+
+pub(crate) enum Comment {
+    Silent,
+    Loud(String),
+}

src/parse/mod.rs

@@ -26,7 +26,7 @@ use crate::{
     {Cow, Token},
 };
 
-use common::{ContextFlags, NeverEmptyVec, SelectorOrStyle};
+use common::{Comment, ContextFlags, NeverEmptyVec, SelectorOrStyle};
 
 pub(crate) use value::{HigherIntermediateValue, ValueVisitor};
 
@@ -43,11 +43,6 @@ mod throw_away;
 mod value;
 mod variable;
 
-pub(crate) enum Comment {
-    Silent,
-    Loud(String),
-}
-
 #[derive(Debug, Clone)]
 pub(crate) enum Stmt {
     RuleSet {