From 8faee2554692ae13da5fbb68d3eef2ebb09a0c86 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Konstantin=20K=C3=A4fer?= <mail@kkaefer.com>
Date: Wed, 30 Jan 2019 16:50:38 +0100
Subject: [core] change loop variable type to auto

We used `const std::pair<T, std::shared_ptr<Expression>>`, but the actual type is `const std::pair<const T, std::shared_ptr<Expression>>` which resulted in an implicit copy
---
 src/mbgl/style/expression/match.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mbgl/style/expression/match.cpp b/src/mbgl/style/expression/match.cpp
index 0f05001a97..93627e9df1 100644
--- a/src/mbgl/style/expression/match.cpp
+++ b/src/mbgl/style/expression/match.cpp
@@ -11,7 +11,7 @@ namespace expression {
 template <typename T>
 void Match<T>::eachChild(const std::function<void(const Expression&)>& visit) const {
     visit(*input);
-    for (const std::pair<T, std::shared_ptr<Expression>>& branch : branches) {
+    for (const auto& branch : branches) {
         visit(*branch.second);
     }
     visit(*otherwise);
-- 
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