From 04dd1447eeaba87d8c12c64c4308c3b1f6e1adb3 Mon Sep 17 00:00:00 2001
From: Michele Caini <michele.caini@gmail.com>
Date: Mon, 17 Jun 2019 16:14:20 +0200
Subject: [PATCH] minor changes

---
 src/entt/core/algorithm.hpp | 16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/src/entt/core/algorithm.hpp b/src/entt/core/algorithm.hpp
index 5936df91a..9c4513d5d 100644
--- a/src/entt/core/algorithm.hpp
+++ b/src/entt/core/algorithm.hpp
@@ -54,18 +54,16 @@ struct insertion_sort {
      */
     template<typename It, typename Compare = std::less<>>
     void operator()(It first, It last, Compare compare = Compare{}) const {
-        if(first != last) {
-            auto it = first + 1;
+        if(first < last) {
+            for(auto it = first+1; it < last; ++it) {
+                auto value = std::move(*it);
+                auto pre = it;
 
-            while(it != last) {
-                auto pre = it++;
-                auto value = *pre;
-
-                for(; pre != first && compare(value, *(pre-1)); --pre) {
-                    *pre = *(pre-1);
+                for(; pre > first && compare(value, *(pre-1)); --pre) {
+                    *pre = std::move(*(pre-1));
                 }
 
-                *pre = value;
+                *pre = std::move(value);
             }
         }
     }