From cab977451c0b6ee626afdc3f32c201a211c58ae4 Mon Sep 17 00:00:00 2001
From: Johannes Erwerle <jo@swagspace.org>
Date: Thu, 15 Sep 2022 19:48:30 +0200
Subject: [PATCH] fixed ALT using more landmarks than available

---
 src/alt.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/alt.rs b/src/alt.rs
index 3b3c0c6..4afb7f0 100644
--- a/src/alt.rs
+++ b/src/alt.rs
@@ -137,7 +137,8 @@ impl LandmarkBestSet<'_> {
         results.reverse();
 
         self.best_landmarks.clear();
-        for result in results[..self.best_size].iter() {
+
+        for result in results[..(self.best_size.min(results.len()))].iter() {
             self.best_landmarks.push(result.0);
         }
     }