Reimplement `Debug` for layout nodes

1 files changed, 10 insertions, 0 deletions

diff --git a/src/layout/tree.rs b/src/layout/tree.rs
index 224313f6..28cbbb51 100644
--- a/src/layout/tree.rs
+++ b/src/layout/tree.rs
@@ -1,3 +1,5 @@
+use std::fmt::{self, Debug, Formatter};
+
 use super::*;
 
 use std::any::Any;
@@ -9,6 +11,7 @@ use std::hash::{Hash, Hasher};
 use fxhash::FxHasher64;
 
 /// A tree of layout nodes.
+#[derive(Debug)]
 pub struct LayoutTree {
     /// Runs of pages with the same properties.
     pub runs: Vec<PageRun>,
@@ -22,6 +25,7 @@ impl LayoutTree {
 }
 
 /// A run of pages that all have the same properties.
+#[derive(Debug)]
 pub struct PageRun {
     /// The size of each page.
     pub size: Size,
@@ -95,6 +99,12 @@ impl Layout for LayoutNode {
     }
 }
 
+impl Debug for LayoutNode {
+    fn fmt(&self, f: &mut Formatter) -> fmt::Result {
+        self.node.fmt(f)
+    }
+}
+
 #[cfg(feature = "layout-cache")]
 impl Hash for LayoutNode {
     fn hash<H: Hasher>(&self, state: &mut H) {