This is mostly just a documentation fix as I don't think stability
attributes have any effect on macros.
/// // fn concat_idents!(new, fun, name) { } // not usable in this way!
/// # }
/// ```
/// // fn concat_idents!(new, fun, name) { } // not usable in this way!
/// # }
/// ```
- #[stable(feature = "rust1", since = "1.0.0")]
+ #[unstable(feature = "concat_idents", issue = "29599")]
#[macro_export]
macro_rules! concat_idents {
($($e:ident),*) => ({ /* compiler built-in */ })
#[macro_export]
macro_rules! concat_idents {
($($e:ident),*) => ({ /* compiler built-in */ })