From 784cbe2965976189cf7bf92e2be16057149be4f1 Mon Sep 17 00:00:00 2001
From: Rosen Penev <rosenp@gmail.com>
Date: Wed, 9 Mar 2022 17:05:41 -0800
Subject: [PATCH] manual move conversions

Signed-off-by: Rosen Penev <rosenp@gmail.com>
---
 src/exif.cpp | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/src/exif.cpp b/src/exif.cpp
index 637b73eb..b470f959 100644
--- a/src/exif.cpp
+++ b/src/exif.cpp
@@ -38,9 +38,7 @@ namespace {
     class FindExifdatumByKey {
     public:
         //! Constructor, initializes the object with the key to look for
-        explicit FindExifdatumByKey(const std::string& key) : key_(key)
-        {
-        }
+        explicit FindExifdatumByKey(std::string key) : key_(std::move(key)) {}
         /*!
           @brief Returns true if the key of \em exifdatum is equal
                  to that of the object.
@@ -51,8 +49,7 @@ namespace {
         }
 
     private:
-        const std::string& key_;
-
+        std::string key_;
     }; // class FindExifdatumByKey
 
     /*!