diff options
| -rw-r--r-- | src/libcore/iter/mod.rs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/libcore/iter/mod.rs b/src/libcore/iter/mod.rs index 62e1f9fcb64..de7ab8843da 100644 --- a/src/libcore/iter/mod.rs +++ b/src/libcore/iter/mod.rs @@ -602,7 +602,9 @@ unsafe impl<'a, I, T: 'a> TrustedRandomAccess for Cloned<I> } #[inline] - fn may_have_side_effect() -> bool { false } + fn may_have_side_effect() -> bool { + I::may_have_side_effect() + } } #[unstable(feature = "trusted_len", issue = "37572")] |