X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=nodestack.cc;h=2f99aef24639a9cf128f5083362596aaf0c374e5;hb=8ea66f246f18e3a92e279a9ba49c29beb2d8ef52;hp=11b83cc1b341145c1ed1faf130afa4bf9ae28d8b;hpb=e9e73da450a5045d569a947072bb20232cede7f4;p=model-checker.git

diff --git a/nodestack.cc b/nodestack.cc
index 11b83cc..2f99aef 100644
--- a/nodestack.cc
+++ b/nodestack.cc
@@ -386,7 +386,8 @@ int Node::get_read_from_size() const
 	return may_read_from.size();
 }
 
-const ModelAction * Node::get_read_from_at(int i) {
+const ModelAction * Node::get_read_from_at(int i) const
+{
 	return may_read_from[i];
 }