From fb59cd4004348c6040c37c74706dcdb62bb001e1 Mon Sep 17 00:00:00 2001
From: Thomas Krijnen <t.krijnen@gmail.com>
Date: Thu, 29 Oct 2020 16:06:26 +0100
Subject: [PATCH] ~collection()

---
 src/ifcgeom/taxonomy.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/ifcgeom/taxonomy.h b/src/ifcgeom/taxonomy.h
index 2eeac65736..c22965865d 100644
--- a/src/ifcgeom/taxonomy.h
+++ b/src/ifcgeom/taxonomy.h
@@ -375,6 +375,12 @@ struct collection : public geom_item {
 			c->print(o, indent + 4);
 		}
 	}
+
+	virtual ~collection() {
+		for (auto& c : children) {
+			delete c;
+		}
+	}
 };
 
 struct shell : public collection {