perf(serde_v8): zero-copy StringOrBuffer (#14381)

1 files changed, 7 insertions, 0 deletions

diff --git a/serde_v8/magic/buffer.rs b/serde_v8/magic/buffer.rs
index 3a8c9499b..dfa6928fb 100644
--- a/serde_v8/magic/buffer.rs
+++ b/serde_v8/magic/buffer.rs
@@ -1,5 +1,6 @@
 // Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
 
+use std::fmt::Debug;
 use std::ops::Deref;
 use std::ops::DerefMut;
 use std::sync::Mutex;
@@ -21,6 +22,12 @@ pub enum MagicBuffer {
 
 impl_magic!(MagicBuffer);
 
+impl Debug for MagicBuffer {
+  fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+    f.debug_list().entries(self.as_ref().iter()).finish()
+  }
+}
+
 impl MagicBuffer {
   pub fn empty() -> Self {
     MagicBuffer::ToV8(Mutex::new(Some(vec![0_u8; 0].into_boxed_slice())))