tests/ui/type-alias-impl-trait/issue-65679-inst-opaque-ty-from-val-twice.rs

   1 // check-pass
   2
   3 #![feature(type_alias_impl_trait, rustc_attrs)]
   4
   5 type T = impl Sized;
   6 // The concrete type referred by impl-trait-type-alias(`T`) is guaranteed
   7 // to be the same as where it occurs, whereas `impl Trait`'s instance is location sensitive;
   8 // so difference assertion should not be declared on impl-trait-type-alias's instances.
   9 // for details, check RFC-2515:
  10 // https://github.com/rust-lang/rfcs/blob/master/text/2515-type_alias_impl_trait.md
  11
  12 fn take(_: fn() -> T) {}
  13
  14 fn main() {
  15     take(|| {});
  16     take(|| {});
  17 }