src/doc/unstable-book/src/language-features/repr128.md

   1 # `repri128`
   2
   3 The tracking issue for this feature is: [#35118]
   4
   5 [#35118]: https://github.com/rust-lang/rust/issues/35118
   6
   7 ------------------------
   8
   9 The `repr128` feature adds support for `#[repr(u128)]` on `enum`s.
  10
  11 ```rust
  12 #![feature(repr128)]
  13
  14 #[repr(u128)]
  15 enum Foo {
  16     Bar(u64),
  17 }
  18 ```