From e84d63c13879a43a4d29c52e9a4e7cb23714e33b Mon Sep 17 00:00:00 2001
From: VaclavT <vaclavt@gmail.com>
Date: Mon, 22 Feb 2021 01:25:49 +0100
Subject: [PATCH] const & parameter

---
 ml.cpp | 2 +-
 ml.h   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/ml.cpp b/ml.cpp
index 87a24c3..7c912ff 100644
--- a/ml.cpp
+++ b/ml.cpp
@@ -644,7 +644,7 @@ std::ostream &operator<<(std::ostream &os, MlEnvironment const &e) {
 	return os << "}";
 }
 
-void MlEnvironment::set(std::string name, MlValue value) {
+void MlEnvironment::set(const std::string &name, MlValue value) {
 	defs[name] = value;
 }
 
diff --git a/ml.h b/ml.h
index cbf64cf..42ea34d 100644
--- a/ml.h
+++ b/ml.h
@@ -28,7 +28,7 @@ public:
     MlValue get(const std::string &name) const;
 
     // Set the value associated with this name in this scope
-    void set(std::string name, MlValue value);
+    void set(const std::string &name, MlValue value);
 
     void combine(MlEnvironment const &other);