src/test/ui/lint/inline-trait-and-foreign-items.rs

   1 #![feature(extern_types)]
   2 #![feature(type_alias_impl_trait)]
   3
   4 #![warn(unused_attributes)]
   5
   6 trait Trait {
   7     #[inline] //~ WARN `#[inline]` is ignored on constants
   8     //~^ WARN this was previously accepted
   9     const X: u32;
  10
  11     #[inline] //~ ERROR attribute should be applied to function or closure
  12     type T;
  13
  14     type U;
  15 }
  16
  17 impl Trait for () {
  18     #[inline] //~ WARN `#[inline]` is ignored on constants
  19     //~^ WARN this was previously accepted
  20     const X: u32 = 0;
  21
  22     #[inline] //~ ERROR attribute should be applied to function or closure
  23     type T = Self;
  24
  25     #[inline] //~ ERROR attribute should be applied to function or closure
  26     type U = impl Trait; //~ ERROR could not find defining uses
  27 }
  28
  29 extern "C" {
  30     #[inline] //~ ERROR attribute should be applied to function or closure
  31     static X: u32;
  32
  33     #[inline] //~ ERROR attribute should be applied to function or closure
  34     type T;
  35 }
  36
  37 fn main() {}