Make use of new Rust 1.58 formatting feature

3 files changed, 8 insertions, 8 deletions

diff --git a/src/layout/mod.rs b/src/layout/mod.rs
index e272d102..cb6f1348 100644
--- a/src/layout/mod.rs
+++ b/src/layout/mod.rs
@@ -220,10 +220,10 @@ impl Layout for PackedNode {
             #[cfg(debug_assertions)]
             if !entry.check(regions) {
                 eprintln!("node: {:#?}", self.node);
-                eprintln!("regions: {:#?}", regions);
+                eprintln!("regions: {regions:#?}");
                 eprintln!(
                     "constraints: {:#?}",
-                    frames.iter().map(|c| c.cts).collect::<Vec<_>>()
+                    frames.iter().map(|c| c.cts).collect::<Vec<_>>(),
                 );
                 panic!("constraints did not match regions they were created for");
             }
diff --git a/src/parse/tokens.rs b/src/parse/tokens.rs
index 69c4d2de..840a68e1 100644
--- a/src/parse/tokens.rs
+++ b/src/parse/tokens.rs
@@ -683,9 +683,9 @@ mod tests {
         T: Debug + PartialEq,
     {
         if found != expected {
-            println!("source:   {:?}", src);
-            println!("expected: {:#?}", expected);
-            println!("found:    {:#?}", found);
+            println!("source:   {src:?}");
+            println!("expected: {expected:#?}");
+            println!("found:    {found:#?}");
             panic!("test failed");
         }
     }
diff --git a/src/syntax/pretty.rs b/src/syntax/pretty.rs
index e74829b0..4a05755f 100644
--- a/src/syntax/pretty.rs
+++ b/src/syntax/pretty.rs
@@ -549,9 +549,9 @@ mod tests {
         let ast = source.ast().unwrap();
         let found = pretty(&ast);
         if found != expected {
-            println!("tree:     {:#?}", ast);
-            println!("expected: {}", expected);
-            println!("found:    {}", found);
+            println!("tree:     {ast:#?}");
+            println!("expected: {expected}");
+            println!("found:    {found}");
             panic!("test failed");
         }
     }