error[E0658]: repr with 128-bit type is unstable | |
--> $DIR/feature-gate-repr128.rs:2:1 | |
| | |
LL | / enum A { | |
LL | | A(u64) | |
LL | | } | |
| |_^ | |
| | |
= note: for more information, see https://github.com/rust-lang/rust/issues/35118 | |
= help: add `#![feature(repr128)]` to the crate attributes to enable | |
error: aborting due to previous error | |
For more information about this error, try `rustc --explain E0658`. |