| error[E0658]: use of unstable library feature 'type_ascription': placeholder syntax for type ascription |
| --> $DIR/feature-gate-type_ascription.rs:4:13 |
| | |
| LL | let a = type_ascribe!(10, u8); |
| | ^^^^^^^^^^^^ |
| | |
| = note: see issue #23416 <https://github.com/rust-lang/rust/issues/23416> for more information |
| = help: add `#![feature(type_ascription)]` to the crate attributes to enable |
| = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0658`. |
