src/test/ui/where-clauses/where-clauses-method.rs

   1 // run-pass
   2 // Test that a where clause attached to a method allows us to add
   3 // additional constraints to a parameter out of scope.
   4
   5 struct Foo<T> {
   6     value: T
   7 }
   8
   9 impl<T> Foo<T> {
  10     fn equals(&self, u: &Foo<T>) -> bool where T : Eq {
  11         self.value == u.value
  12     }
  13 }
  14
  15 fn main() {
  16     let x = Foo { value: 1 };
  17     let y = Foo { value: 2 };
  18     println!("{}", x.equals(&x));
  19     println!("{}", x.equals(&y));
  20 }