Create structure for plain links.

src/parser/object.rs

@@ -5,6 +5,7 @@ pub enum Object<'s> {
     RegularLink(RegularLink<'s>),
     RadioLink(RadioLink<'s>),
     RadioTarget(RadioTarget<'s>),
+    PlainLink(PlainLink<'s>),
     Bold(Bold<'s>),
     Italic(Italic<'s>),
     Underline(Underline<'s>),
@@ -72,6 +73,12 @@ pub struct RadioLink<'s> {
     pub children: Vec<Object<'s>>,
 }
 
+#[derive(Debug, PartialEq)]
+pub struct PlainLink<'s> {
+    pub source: &'s str,
+    pub children: Vec<Object<'s>>,
+}
+
 impl<'s> Source<'s> for Object<'s> {
     fn get_source(&'s self) -> &'s str {
         match self {
@@ -85,6 +92,7 @@ impl<'s> Source<'s> for Object<'s> {
             Object::RegularLink(obj) => obj.source,
             Object::RadioLink(obj) => obj.source,
             Object::RadioTarget(obj) => obj.source,
+            Object::PlainLink(obj) => obj.source,
         }
     }
 }
@@ -142,3 +150,9 @@ impl<'s> Source<'s> for RadioTarget<'s> {
         self.source
     }
 }
+
+impl<'s> Source<'s> for PlainLink<'s> {
+    fn get_source(&'s self) -> &'s str {
+        self.source
+    }
+}