src/test/compile-fail/enum-discrim-autosizing.rs

   1 // Copyright 2016 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 // With no repr attribute the discriminant will default to isize.
  12 // On 32-bit architectures this is equivalent to i32 so the variants
  13 // collide. On other architectures we need compilation to fail anyway,
  14 // so force the repr.
  15 #[cfg_attr(not(target_pointer_width = "32"), repr(i32))]
  16 enum Eu64 {
  17     Au64 = 0,
  18     Bu64 = 0x8000_0000_0000_0000 //~ERROR already exists
  19 }
  20