misc

vporton · Dec 12, 2019 · 3de1b07 · 3de1b07
1 parent f24d985
commit 3de1b07
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/source/xmlboiler/core/graph/relation.d b/source/xmlboiler/core/graph/relation.d
@@ -20,6 +20,8 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
 
 module xmlboiler.core.graph.relation;
 
+import std.container.rbtree;
+
 /**
 Directed graph with at most one edge between vertices
 */