Deriving clone/debug

src/duster/parser.rs

@@ -64,10 +64,12 @@ struct Span<'a> {
     contents: &'a str,
 }
 
+#[derive(Clone, Debug)]
 pub struct Template<'a> {
     elements: Vec<TemplateElement<'a>>,
 }
 
+#[derive(Clone, Debug)]
 enum TemplateElement<'a> {
     TESpan(Span<'a>),
     TETag(DustTag<'a>),