From f8e9cc0fc559fc9de0c3196e38c609ab38373c92 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max.kellermann@gmail.com>
Date: Tue, 4 Feb 2020 11:53:43 +0100
Subject: [PATCH] Scope: Vars() returns const reference

No caller wants to modify the container.
---
 src/Scope.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Scope.h b/src/Scope.h
index 7485347669..0cc70b7751 100644
--- a/src/Scope.h
+++ b/src/Scope.h
@@ -45,7 +45,7 @@ public:
 	BroType* ReturnType() const	{ return return_type; }
 
 	size_t Length() const		{ return local.size(); }
-	std::map<std::string, ID*>& Vars()	{ return local; }
+	const std::map<std::string, ID*>& Vars()	{ return local; }
 
 	ID* GenerateTemporary(const char* name);