diff options
Diffstat (limited to 'src/liballoc')
| -rw-r--r-- | src/liballoc/macros.rs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/liballoc/macros.rs b/src/liballoc/macros.rs index db91b07fa71..7ae57a8dc79 100644 --- a/src/liballoc/macros.rs +++ b/src/liballoc/macros.rs @@ -34,7 +34,8 @@ #[cfg(not(test))] #[macro_export] #[stable(feature = "rust1", since = "1.0.0")] -#[allow_internal_unstable] +#[cfg_attr(not(stage0), allow_internal_unstable(box_syntax))] +#[cfg_attr(stage0, allow_internal_unstable)] macro_rules! vec { ($elem:expr; $n:expr) => ( $crate::vec::from_elem($elem, $n) |