Set Rules Episode IV: A New Fold

1 files changed, 8 insertions, 1 deletions

diff --git a/src/library/document.rs b/src/library/document.rs
index b9a00f9b..84673270 100644
--- a/src/library/document.rs
+++ b/src/library/document.rs
@@ -2,7 +2,7 @@ use super::prelude::*;
 use super::PageNode;
 
 /// The root layout node, a document consisting of top-level page runs.
-#[derive(Debug, Hash)]
+#[derive(Hash)]
 pub struct DocumentNode(pub Vec<PageNode>);
 
 impl DocumentNode {
@@ -11,3 +11,10 @@ impl DocumentNode {
         self.0.iter().flat_map(|node| node.layout(ctx)).collect()
     }
 }
+
+impl Debug for DocumentNode {
+    fn fmt(&self, f: &mut Formatter) -> fmt::Result {
+        f.write_str("Document ")?;
+        f.debug_list().entries(&self.0).finish()
+    }
+}