Define greater and lesser elements.

src/parser/object.rs

@@ -2,20 +2,24 @@ pub trait Source<'s> {
     fn get_source(&'s self) -> &'s str;
 }
 
+#[derive(Debug)]
 pub enum Object<'s> {
     TextMarkup(TextMarkup<'s>),
     PlainText(PlainText<'s>),
     RegularLink(RegularLink<'s>),
 }
 
+#[derive(Debug)]
 pub struct TextMarkup<'s> {
     pub source: &'s str,
 }
 
+#[derive(Debug)]
 pub struct PlainText<'s> {
     pub source: &'s str,
 }
 
+#[derive(Debug)]
 pub struct RegularLink<'s> {
     pub source: &'s str,
 }