src/test/ui/coherence/coherence-overlap-downstream-inherent.rs

   1 // Tests that we consider `T: Sugar + Fruit` to be ambiguous, even
   2 // though no impls are found.
   3
   4 struct Sweet<X>(X);
   5 pub trait Sugar {}
   6 pub trait Fruit {}
   7 impl<T:Sugar> Sweet<T> { fn dummy(&self) { } }
   8 //~^ ERROR E0592
   9 impl<T:Fruit> Sweet<T> { fn dummy(&self) { } }
  10
  11 trait Bar<X> {}
  12 struct A<T, X>(T, X);
  13 impl<X, T> A<T, X> where T: Bar<X> { fn f(&self) {} }
  14 //~^ ERROR E0592
  15 impl<X> A<i32, X> { fn f(&self) {} }
  16
  17 fn main() {}