src/test/ui/traits/trait-alias/trait-alias-syntax.rs

   1 // run-pass
   2
   3 #![feature(trait_alias)]
   4
   5 trait SimpleAlias = Default;
   6 trait GenericAlias<T> = Iterator<Item = T>;
   7 trait Partial<T> = IntoIterator<Item = T>;
   8 trait SpecificAlias = GenericAlias<i32>;
   9 trait PartialEqRef<'a, T: 'a> = PartialEq<&'a T>;
  10 trait StaticAlias = 'static;
  11
  12 trait Things<T> {}
  13 trait Romeo {}
  14 #[allow(dead_code)]
  15 struct The<T>(T);
  16 #[allow(dead_code)]
  17 struct Fore<T>(T);
  18 impl<T, U> Things<T> for The<U> {}
  19 impl<T> Romeo for Fore<T> {}
  20
  21 trait WithWhere<Art, Thou> = Romeo + Romeo where Fore<(Art, Thou)>: Romeo;
  22 trait BareWhere<Wild, Are> = where The<Wild>: Things<Are>;
  23
  24 fn main() {}