X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibmarklin%2Ftrack.cpp;h=3c2a410fa9d55bf2ab131985a76f7ea4266d4f1c;hb=c47f3fad07af11210c9cbd65d87964794189065e;hp=6c72c469a7540972f540e029d68bece473963c09;hpb=a448b6ac73e0eb19980e69b095136eabe95d2534;p=r2c2.git

diff --git a/source/libmarklin/track.cpp b/source/libmarklin/track.cpp
index 6c72c46..3c2a410 100644
--- a/source/libmarklin/track.cpp
+++ b/source/libmarklin/track.cpp
@@ -223,7 +223,7 @@ Track *Track::get_link(unsigned i) const
 	return links[i];
 }
 
-int Track::traverse(unsigned i, unsigned path) const
+unsigned Track::traverse(unsigned i, unsigned path) const
 {
 	const vector<Endpoint> &eps = type.get_endpoints();
 	if(i>=eps.size())
@@ -246,7 +246,7 @@ int Track::traverse(unsigned i, unsigned path) const
 				return j;
 	}
 
-	return -1;
+	throw Exception("Track endpoint did not have a counterpart");
 }
 
 Point Track::get_point(unsigned epi, unsigned path, float d) const