src/test/ui/feature-gates/feature-gate-custom_attribute2.rs

   1 // This test ensures that attributes on formals in generic parameter
   2 // lists are included when we are checking for unstable attributes.
   3
   4 struct StLt<#[lt_struct] 'a>(&'a u32);
   5 //~^ ERROR cannot find attribute `lt_struct` in this scope
   6 struct StTy<#[ty_struct] I>(I);
   7 //~^ ERROR cannot find attribute `ty_struct` in this scope
   8
   9 enum EnLt<#[lt_enum] 'b> { A(&'b u32), B }
  10 //~^ ERROR cannot find attribute `lt_enum` in this scope
  11 enum EnTy<#[ty_enum] J> { A(J), B }
  12 //~^ ERROR cannot find attribute `ty_enum` in this scope
  13
  14 trait TrLt<#[lt_trait] 'c> { fn foo(&self, _: &'c [u32]) -> &'c u32; }
  15 //~^ ERROR cannot find attribute `lt_trait` in this scope
  16 trait TrTy<#[ty_trait] K> { fn foo(&self, _: K); }
  17 //~^ ERROR cannot find attribute `ty_trait` in this scope
  18
  19 type TyLt<#[lt_type] 'd> = &'d u32;
  20 //~^ ERROR cannot find attribute `lt_type` in this scope
  21 type TyTy<#[ty_type] L> = (L, );
  22 //~^ ERROR cannot find attribute `ty_type` in this scope
  23
  24 impl<#[lt_inherent] 'e> StLt<'e> { }
  25 //~^ ERROR cannot find attribute `lt_inherent` in this scope
  26 impl<#[ty_inherent] M> StTy<M> { }
  27 //~^ ERROR cannot find attribute `ty_inherent` in this scope
  28
  29 impl<#[lt_impl_for] 'f> TrLt<'f> for StLt<'f> {
  30     //~^ ERROR cannot find attribute `lt_impl_for` in this scope
  31     fn foo(&self, _: &'f [u32]) -> &'f u32 { loop { } }
  32 }
  33 impl<#[ty_impl_for] N> TrTy<N> for StTy<N> {
  34     //~^ ERROR cannot find attribute `ty_impl_for` in this scope
  35     fn foo(&self, _: N) { }
  36 }
  37
  38 fn f_lt<#[lt_fn] 'g>(_: &'g [u32]) -> &'g u32 { loop { } }
  39 //~^ ERROR cannot find attribute `lt_fn` in this scope
  40 fn f_ty<#[ty_fn] O>(_: O) { }
  41 //~^ ERROR cannot find attribute `ty_fn` in this scope
  42
  43 impl<I> StTy<I> {
  44     fn m_lt<#[lt_meth] 'h>(_: &'h [u32]) -> &'h u32 { loop { } }
  45     //~^ ERROR cannot find attribute `lt_meth` in this scope
  46     fn m_ty<#[ty_meth] P>(_: P) { }
  47     //~^ ERROR cannot find attribute `ty_meth` in this scope
  48 }
  49
  50 fn hof_lt<Q>(_: Q)
  51     where Q: for <#[lt_hof] 'i> Fn(&'i [u32]) -> &'i u32
  52     //~^ ERROR cannot find attribute `lt_hof` in this scope
  53 {
  54 }
  55
  56 fn main() {
  57
  58 }