From 54b1172dc895947be633feb74558c71ed8b24a07 Mon Sep 17 00:00:00 2001
From: Deirdre Connolly <deirdre@zfnd.org>
Date: Wed, 12 Feb 2020 18:54:05 -0500
Subject: [PATCH] Avoid a few heap allocations that aren't strictly needed

---
 zebra-chain/src/note_encryption.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/zebra-chain/src/note_encryption.rs b/zebra-chain/src/note_encryption.rs
index 0186852f3..2cde6d5e4 100644
--- a/zebra-chain/src/note_encryption.rs
+++ b/zebra-chain/src/note_encryption.rs
@@ -48,8 +48,8 @@ impl fmt::Debug for Memo {
         // This saves work but if the 'valid utf8 string' is just a
         // bunch of numbers, it prints them out like
         // 'Memo("\u{0}\u{0}..")', so. ¯\_(ツ)_/¯
-        match String::from_utf8(self.0.to_vec()) {
-            Ok(memo) => output = memo,
+        match std::str::from_utf8(&self.0[..]) {
+            Ok(memo) => output = String::from(memo),
             _ => output = hex::encode(&self.0[..]),
         }