diff options
Diffstat (limited to 'library/core/src')
| -rw-r--r-- | library/core/src/macros/mod.rs | 11 | ||||
| -rw-r--r-- | library/core/src/prelude/v1.rs | 3 |
2 files changed, 14 insertions, 0 deletions
diff --git a/library/core/src/macros/mod.rs b/library/core/src/macros/mod.rs index fd96e1ff77d..2850d84acc3 100644 --- a/library/core/src/macros/mod.rs +++ b/library/core/src/macros/mod.rs @@ -1511,6 +1511,17 @@ pub(crate) mod builtin { /* compiler built-in */ } + /// Attribute macro applied to a function to register it as a handler for allocation failure. + /// + /// See also [`std::alloc::handle_alloc_error`](../../../std/alloc/fn.handle_alloc_error.html). + #[cfg(not(bootstrap))] + #[unstable(feature = "alloc_error_handler", issue = "51540")] + #[allow_internal_unstable(rustc_attrs)] + #[rustc_builtin_macro] + pub macro alloc_error_handler($item:item) { + /* compiler built-in */ + } + /// Keeps the item it's applied to if the passed path is accessible, and removes it otherwise. #[unstable( feature = "cfg_accessible", diff --git a/library/core/src/prelude/v1.rs b/library/core/src/prelude/v1.rs index b566e211cd8..804a179bdb3 100644 --- a/library/core/src/prelude/v1.rs +++ b/library/core/src/prelude/v1.rs @@ -75,6 +75,9 @@ pub use crate::macros::builtin::{RustcDecodable, RustcEncodable}; // Do not `doc(no_inline)` so that they become doc items on their own // (no public module for them to be re-exported from). +#[cfg(not(bootstrap))] +#[stable(feature = "builtin_macro_prelude", since = "1.38.0")] +pub use crate::macros::builtin::alloc_error_handler; #[stable(feature = "builtin_macro_prelude", since = "1.38.0")] pub use crate::macros::builtin::{bench, derive, global_allocator, test, test_case}; |