Deciding if bold can start.

src/parser/list.rs

@@ -20,6 +20,12 @@ pub struct Node<T> {
     parent: Option<Rc<Node<T>>>,
 }
 
+impl<T> Node<T> {
+    pub fn get_data(&self) -> &T {
+        &self.data
+    }
+}
+
 // TODO: This Debug is only needed because of the try_unwrap+expect
 impl<T: Debug> List<T> {
     pub fn new() -> Self {
@@ -72,6 +78,12 @@ impl<T: Debug> List<T> {
             (Some(me), Some(them)) => Rc::ptr_eq(me, them),
         }
     }
+
+    pub fn iter(&self) -> impl Iterator<Item = &Rc<Node<T>>> {
+        NodeIter {
+            position: &self.head,
+        }
+    }
 }
 
 pub struct NodeIter<'a, T> {