| error[E0658]: type ascription is experimental | |
| --> $DIR/feature-gate-type_ascription.rs:4:13 | |
| | | |
| LL | let a = 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 | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0658`. |