Fix FilterMapResults::size_hint

rust-itertools · Mar 13, 2020 · 8e5d84a · 8e5d84a
1 parent cad46e7
commit 8e5d84a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/adaptors/mod.rs b/src/adaptors/mod.rs
@@ -1225,7 +1225,7 @@ impl<I, F, T, U, E> Iterator for FilterMapResults<I, F>
     }
 
     fn size_hint(&self) -> (usize, Option<usize>) {
-        self.iter.size_hint()
+        (0, self.iter.size_hint().1)
     }
 
     fn fold<Acc, Fold>(self, init: Acc, mut fold_f: Fold) -> Acc