Make it compile again

1 files changed, 10 insertions, 0 deletions

diff --git a/src/document_tree/element_categories.rs b/src/document_tree/element_categories.rs
index bc2e347..3a14b16 100644
--- a/src/document_tree/element_categories.rs
+++ b/src/document_tree/element_categories.rs
@@ -1,5 +1,7 @@
 use std::fmt::{self,Debug,Formatter};
 
+use serde::{Serialize,Serializer};
+
 use super::elements::*;
 
 pub trait HasChildren<C> {
@@ -31,6 +33,14 @@ macro_rules! synonymous_enum {( $name:ident { $( $entry:ident ),* } ) => (
 		}
 	}
 	
+	impl Serialize for $name {
+		fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where S: Serializer {
+			match self {
+				$( $name::$entry(ref inner) => inner.serialize(serializer), )*
+			}
+		}
+	}
+	
 	$(
 		impl Into<$name> for $entry {
 			fn into(self) -> $name {