diff -r 3b3d97ed2286 -r cef0c685fda8 rust/landgen/src/lib.rs
--- a/rust/landgen/src/lib.rs	Sun Oct 28 23:24:04 2018 +0100
+++ b/rust/landgen/src/lib.rs	Mon Oct 29 23:29:03 2018 +0300
@@ -3,12 +3,12 @@
 extern crate integral_geometry;
 extern crate land2d;
 
-struct LandGenerationParameters<T> {
+pub struct LandGenerationParameters<T> {
     zero: T,
     basic: T,
 }
 
-trait LandGenerator {
+pub trait LandGenerator {
     fn generate_land<T: Copy + PartialEq, I: Iterator<Item = u32>>(
         &self,
         parameters: LandGenerationParameters<T>,