From af91bfa11f9e1ceb2db708c07b4d7cb7eb6cc825 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20Renault?= <renault.cle@gmail.com>
Date: Wed, 17 Oct 2018 16:59:39 +0200
Subject: [PATCH] fix: Clamp the document range requested

---
 src/rank/ranked_stream.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/rank/ranked_stream.rs b/src/rank/ranked_stream.rs
index 56f228cf9..4de997ab3 100644
--- a/src/rank/ranked_stream.rs
+++ b/src/rank/ranked_stream.rs
@@ -2,7 +2,7 @@ use std::collections::HashMap;
 use std::hash::Hash;
 use std::ops::Range;
 use std::rc::Rc;
-use std::{mem, vec};
+use std::{mem, vec, cmp};
 
 use fnv::FnvHashMap;
 use fst::Streamer;
@@ -92,6 +92,10 @@ where C: Criterion
             }
         }
 
+        let range = Range {
+            start: cmp::min(range.start, documents.len()),
+            end: cmp::min(range.end, documents.len()),
+        };
         documents[range].to_vec()
     }