Fix build for Rustc 1.22

rust-random · Jun 12, 2018 · 83130e8 · 83130e8
1 parent ee52a64
commit 83130e8
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/seq.rs b/src/seq.rs
@@ -258,7 +258,8 @@ impl<T> SliceRandom for [T] {
         if self.is_empty() {
             None
         } else {
-            Some(&mut self[rng.gen_range(0, self.len())])
+            let len = self.len();
+            Some(&mut self[rng.gen_range(0, len)])
         }
     }