diff options
Diffstat (limited to 'library/core')
| -rw-r--r-- | library/core/src/macros/mod.rs | 8 | ||||
| -rw-r--r-- | library/core/src/prelude/v1.rs | 5 | 
2 files changed, 13 insertions, 0 deletions
| diff --git a/library/core/src/macros/mod.rs b/library/core/src/macros/mod.rs index 6a7e4b2ba25..7aaf5a5fd46 100644 --- a/library/core/src/macros/mod.rs +++ b/library/core/src/macros/mod.rs @@ -1324,6 +1324,14 @@ pub(crate) mod builtin { (false) => {{ /* compiler built-in */ }}; } + /// Attribute macro used to apply derive macros. + #[cfg(not(bootstrap))] + #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_builtin_macro] + pub macro derive($item:item) { + /* compiler built-in */ + } + /// Attribute macro applied to a function to turn it into a unit test. #[stable(feature = "rust1", since = "1.0.0")] #[allow_internal_unstable(test, rustc_attrs)] diff --git a/library/core/src/prelude/v1.rs b/library/core/src/prelude/v1.rs index b4fff3d67b5..a1fbd8dec75 100644 --- a/library/core/src/prelude/v1.rs +++ b/library/core/src/prelude/v1.rs @@ -69,6 +69,11 @@ pub use crate::macros::builtin::{ bench, global_allocator, test, test_case, RustcDecodable, RustcEncodable, }; +#[cfg(not(bootstrap))] +#[stable(feature = "builtin_macro_prelude", since = "1.38.0")] +#[doc(no_inline)] +pub use crate::macros::builtin::derive; + #[unstable( feature = "cfg_accessible", issue = "64797", | 
