From ea9a5e341eacacfbad736b222f6ceb81551f9acd Mon Sep 17 00:00:00 2001
From: Thomas Lauf <thomas.lauf@tngtech.com>
Date: Wed, 10 Apr 2019 12:02:07 +0200
Subject: [PATCH] Make parameter 'configuration' a const reference

- Clang-Tidy: The parameter 'configuration' is copied for each invocation but only used as a const reference;

Signed-off-by: Thomas Lauf <thomas.lauf@tngtech.com>
---
 src/Chart.cpp | 2 +-
 src/Chart.h   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Chart.cpp b/src/Chart.cpp
index b7db2310..ebf52e3b 100644
--- a/src/Chart.cpp
+++ b/src/Chart.cpp
@@ -37,7 +37,7 @@
 #include <Chart.h>
 
 ////////////////////////////////////////////////////////////////////////////////
-Chart::Chart (ChartConfig configuration) :
+Chart::Chart (const ChartConfig& configuration) :
   reference_datetime(configuration.reference_datetime),
   with_label_month(configuration.with_label_month),
   with_label_week(configuration.with_label_week),
diff --git a/src/Chart.h b/src/Chart.h
index 973d32a0..9afb7ff4 100644
--- a/src/Chart.h
+++ b/src/Chart.h
@@ -35,7 +35,7 @@
 class Chart
 {
 public:
-  explicit Chart (ChartConfig configuration);
+  explicit Chart (const ChartConfig& configuration);
 
   std::string render (const Interval&, const std::vector <Interval>&, const std::vector <Range>&, const std::map <Datetime, std::string>&);