fix unused variable warning

diff --git a/src/range_map.rs b/src/range_map.rs
index f2cbd89f64da642443647e61c62f35ee284f3c07..aa9a87887d3757267d8c8d2364a742a0865aad15 100644 (file)
--- a/src/range_map.rs
+++ b/src/range_map.rs
@@ -281,7 +281,7 @@ fn gaps() {
             .map(|&t| t).collect::<Vec<_>>(), vec![19, 19]);
 
         // A NOP `iter_mut` should trigger merging.
-        for x in map.iter_mut(Size::from_bytes(15), Size::from_bytes(5)) { }
+        for _ in map.iter_mut(Size::from_bytes(15), Size::from_bytes(5)) { }
         assert_eq!(map.v.len(), 5);
         assert_eq!(
             to_vec(&map, 10, 10),