--- a/rust/landgen/src/lib.rs	Mon Oct 29 23:06:18 2018 +0100
+++ b/rust/landgen/src/lib.rs	Wed Oct 31 23:36:05 2018 +0100
@@ -2,6 +2,7 @@
 
 extern crate integral_geometry;
 extern crate land2d;
+extern crate itertools;
 
 pub struct LandGenerationParameters<T> {
     zero: T,