From 94dd209e5e468610ef1b889b74cb77ac22722db5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Patrick=20L=C3=BChne?= <patrick-github@luehne.de>
Date: Wed, 17 May 2017 20:21:34 +0200
Subject: [PATCH] Linking constants to their declarations by reference instead
 of pointer.

---
 lib/pddlparse/include/pddlparse/AST.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/pddlparse/include/pddlparse/AST.h b/lib/pddlparse/include/pddlparse/AST.h
index c7ce266..a46c16a 100644
--- a/lib/pddlparse/include/pddlparse/AST.h
+++ b/lib/pddlparse/include/pddlparse/AST.h
@@ -26,7 +26,7 @@ namespace ast
 
 struct Constant
 {
-	explicit Constant(ConstantDeclaration *declaration)
+	explicit Constant(ConstantDeclaration &declaration)
 	:	declaration{declaration}
 	{
 	}
@@ -36,7 +36,7 @@ struct Constant
 	Constant(Constant &&other) = default;
 	Constant &operator=(Constant &&other) = default;
 
-	ConstantDeclaration *declaration{nullptr};
+	ConstantDeclaration &declaration;
 };
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////