From 34bea2ee3f31b7d187136a4b782575f3f543e3d8 Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Sat, 8 Sep 2018 12:07:11 -0700
Subject: [PATCH] Implement Clone to support old compilers

Arrays above size 32 are not Clone on old compilers.
---
 src/lib.rs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 2de79e8..9524f52 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -49,7 +49,7 @@ pub fn fmt<W: fmt::Write, V: Integer>(mut wr: W, value: V) -> fmt::Result {
 /// let printed = buffer.format(1234);
 /// assert_eq!(printed, "1234");
 /// ```
-#[derive(Copy, Clone)]
+#[derive(Copy)]
 pub struct Buffer {
     bytes: [u8; I128_MAX_LEN],
 }
@@ -61,6 +61,13 @@ impl Default for Buffer {
     }
 }
 
+impl Clone for Buffer {
+    #[inline]
+    fn clone(&self) -> Self {
+        Buffer::new()
+    }
+}
+
 impl Buffer {
     /// This is a cheap operation; you don't need to worry about reusing buffers
     /// for efficiency.