src/test/ui/feature-gate/issue-43106-gating-of-inline.rs

   1 // This is testing whether `#[inline]` signals an error or warning
   2 // when put in "weird" places.
   3 //
   4 // (This file sits on its own because it actually signals an error,
   5 // which would mess up the treatment of other cases in
   6 // issue-43106-gating-of-builtin-attrs.rs)
   7
   8 // Crate-level is accepted, though it is almost certainly unused?
   9 #![inline]
  10
  11 #[inline]
  12 //~^ ERROR attribute should be applied to function or closure
  13 mod inline {
  14     mod inner { #![inline] }
  15     //~^ ERROR attribute should be applied to function or closure
  16
  17     #[inline = "2100"] fn f() { }
  18     //~^ ERROR attribute must be of the form
  19     //~| WARN this was previously accepted
  20
  21     #[inline] struct S;
  22     //~^ ERROR attribute should be applied to function or closure
  23
  24     #[inline] type T = S;
  25     //~^ ERROR attribute should be applied to function or closure
  26
  27     #[inline] impl S { }
  28     //~^ ERROR attribute should be applied to function or closure
  29 }
  30
  31 fn main() {}