From 3f1197855fc5575fd83533e6b2132b052c2517b2 Mon Sep 17 00:00:00 2001
From: Shauren <shauren.trinity@gmail.com>
Date: Wed, 7 Nov 2018 20:27:22 +0100
Subject: Core/Utils: Avoid unneccessary container copy

---
 src/common/Utilities/Containers.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/common/Utilities/Containers.h')

diff --git a/src/common/Utilities/Containers.h b/src/common/Utilities/Containers.h
index 581fbfabe6b..fb952c89b24 100644
--- a/src/common/Utilities/Containers.h
+++ b/src/common/Utilities/Containers.h
@@ -102,7 +102,7 @@ namespace Trinity
          * Note: container cannot be empty
          */
         template<class C>
-        inline auto SelectRandomWeightedContainerElement(C const& container, std::vector<double> weights) -> decltype(std::begin(container))
+        inline auto SelectRandomWeightedContainerElement(C const& container, std::vector<double> const& weights) -> decltype(std::begin(container))
         {
             auto it = std::begin(container);
             std::advance(it, urandweighted(weights.size(), weights.data()));
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