-error[E0658]: `concat_idents` is not stable enough for use and is subject to change (see issue #29599)
+error[E0658]: `concat_idents` is not stable enough for use and is subject to change
--> $DIR/feature-gate-concat_idents2.rs:4:5
|
LL | concat_idents!(a, b);
| ^^^^^^^^^^^^^^^^^^^^^
|
+ = note: for more information, see https://github.com/rust-lang/rust/issues/29599
= help: add #![feature(concat_idents)] to the crate attributes to enable
error[E0425]: cannot find value `ab` in this scope
error: aborting due to 2 previous errors
-Some errors occurred: E0425, E0658.
+Some errors have detailed explanations: E0425, E0658.
For more information about an error, try `rustc --explain E0425`.