From 8a1797d4bc96435973c8bc69c07788aae31d749f Mon Sep 17 00:00:00 2001
From: Tony Arcieri <bascule@gmail.com>
Date: Tue, 4 Aug 2020 19:59:23 -0700
Subject: [PATCH] ecdsa: impl Copy on Signature

...conditionally when the underlying GenericArray supports Copy
---
 ecdsa/src/lib.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/ecdsa/src/lib.rs b/ecdsa/src/lib.rs
index 70cbfff4..7335bc66 100644
--- a/ecdsa/src/lib.rs
+++ b/ecdsa/src/lib.rs
@@ -183,6 +183,13 @@ where
     }
 }
 
+impl<C: Curve> Copy for Signature<C>
+where
+    SignatureSize<C>: ArrayLength<u8>,
+    <SignatureSize<C> as ArrayLength<u8>>::ArrayType: Copy,
+{
+}
+
 impl<C: Curve> Debug for Signature<C>
 where
     SignatureSize<C>: ArrayLength<u8>,