diff -r bb2f4636787f -r 3b3d97ed2286 rust/landgen/src/lib.rs
--- a/rust/landgen/src/lib.rs	Sun Oct 28 23:09:35 2018 +0100
+++ b/rust/landgen/src/lib.rs	Sun Oct 28 23:24:04 2018 +0100
@@ -1,6 +1,20 @@
-mod outline;
+mod template_based;
 
 extern crate integral_geometry;
+extern crate land2d;
+
+struct LandGenerationParameters<T> {
+    zero: T,
+    basic: T,
+}
+
+trait LandGenerator {
+    fn generate_land<T: Copy + PartialEq, I: Iterator<Item = u32>>(
+        &self,
+        parameters: LandGenerationParameters<T>,
+        random_numbers: &mut I,
+    ) -> land2d::Land2D<T>;
+}
 
 #[cfg(test)]
 mod tests {