From 4f4ac639f9bea3fcacf439213aabd0b70c678ecb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20Gl=C3=B6ckner?= <cgloeckner@freenet.de>
Date: Tue, 29 Mar 2016 16:08:45 +0200
Subject: API Refactoring for class Instrument

---
 src/instrument.cc | 2 +-
 src/instrument.h  | 7 ++-----
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/src/instrument.cc b/src/instrument.cc
index 9dec687..9f18233 100644
--- a/src/instrument.cc
+++ b/src/instrument.cc
@@ -153,7 +153,7 @@ std::string Instrument::getGroup() const
 	return _group;
 }
 
-void Instrument::setGroup(std::string g)
+void Instrument::setGroup(const std::string& g)
 {
 	_group = g;
 }
diff --git a/src/instrument.h b/src/instrument.h
index 5dc656d..de5546b 100644
--- a/src/instrument.h
+++ b/src/instrument.h
@@ -24,8 +24,7 @@
  *  along with DrumGizmo; if not, write to the Free Software
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
  */
-#ifndef __DRUMGIZMO_INSTRUMENT_H__
-#define __DRUMGIZMO_INSTRUMENT_H__
+#pragma once
 
 #include <string>
 #include <vector>
@@ -52,7 +51,7 @@ public:
 	std::string getDescription() const;
 	std::string getGroup() const;
 
-	void setGroup(std::string group);
+	void setGroup(const std::string& group);
 
 	//  std::map<std::string, std::string> channelmap;
 
@@ -85,5 +84,3 @@ private:
 
 // typedef std::map< std::string, Instrument > Instruments;
 typedef std::vector<Instrument*> Instruments;
-
-#endif /*__DRUMGIZMO_INSTRUMENT_H__*/
-- 
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