derive more

1 files changed, 2 insertions, 9 deletions

diff --git a/src/document_tree/element_categories.rs b/src/document_tree/element_categories.rs
index 3a14b16..29da801 100644
--- a/src/document_tree/element_categories.rs
+++ b/src/document_tree/element_categories.rs
@@ -1,6 +1,6 @@
 use std::fmt::{self,Debug,Formatter};
 
-use serde::{Serialize,Serializer};
+use serde_derive::Serialize;
 
 use super::elements::*;
 
@@ -21,6 +21,7 @@ pub trait HasChildren<C> {
 }
 
 macro_rules! synonymous_enum {( $name:ident { $( $entry:ident ),* } ) => (
+	#[derive(Serialize)]
 	pub enum $name {
 		$( $entry($entry), )*
 	}
@@ -33,14 +34,6 @@ 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 {