From 8b8ece69cd0be7eb4c69fd0292092f69bc9aaa64 Mon Sep 17 00:00:00 2001
From: str4d <str4d@mail.i2p>
Date: Thu, 12 Apr 2018 17:47:38 -0600
Subject: [PATCH] Use Vec::with_capacity() to allocate new indices vector

---
 src/equihash.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/equihash.rs b/src/equihash.rs
index b17b916..01466ba 100644
--- a/src/equihash.rs
+++ b/src/equihash.rs
@@ -62,7 +62,7 @@ impl Node {
             .skip(trim)
             .map(|(a, b)| a ^ b)
             .collect();
-        let mut indices = Vec::new();
+        let mut indices = Vec::with_capacity(a.indices.len() + b.indices.len());
         if a.indices_before(b) {
             indices.extend(a.indices.iter());
             indices.extend(b.indices.iter());