From 5389142766cb7de181cd879fafeb9eb69cad8e5f Mon Sep 17 00:00:00 2001
From: David Thomas <david2005thomas@gmail.com>
Date: Sat, 27 Jan 2024 16:47:58 +0000
Subject: [PATCH] Simplify Clone impl

---
 src/compact_bytestrings.rs | 17 +++++++----------
 src/metadata.rs            |  1 +
 2 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/src/compact_bytestrings.rs b/src/compact_bytestrings.rs
index 10549b5..cc790c5 100644
--- a/src/compact_bytestrings.rs
+++ b/src/compact_bytestrings.rs
@@ -481,18 +481,15 @@ impl CompactBytestrings {
 
 impl Clone for CompactBytestrings {
     fn clone(&self) -> Self {
-        let mut data = Vec::with_capacity(self.meta.iter().map(|m| m.len).sum());
-        let mut meta = Vec::with_capacity(self.meta.len());
-
-        for bytes in self.iter() {
-            meta.push(Metadata {
-                start: data.len(),
-                len: bytes.len(),
-            });
-            data.extend_from_slice(bytes);
+        Self {
+            data: self.data.clone(),
+            meta: self.meta.clone(),
         }
+    }
 
-        Self { data, meta }
+    fn clone_from(&mut self, source: &Self) {
+        self.data.clone_from(&source.data);
+        self.meta.clone_from(&source.meta)
     }
 }
 
diff --git a/src/metadata.rs b/src/metadata.rs
index 9644753..3871a43 100644
--- a/src/metadata.rs
+++ b/src/metadata.rs
@@ -1,3 +1,4 @@
+#[derive(Clone, Copy)]
 pub(crate) struct Metadata {
     pub(crate) start: usize,
     pub(crate) len: usize,