src/test/ui/self/arbitrary_self_types_unsized_struct.rs

   1 // run-pass
   2 #![feature(arbitrary_self_types)]
   3
   4 use std::rc::Rc;
   5
   6 struct Foo<T: ?Sized>(T);
   7
   8 impl Foo<[u8]> {
   9     fn len(self: Rc<Self>) -> usize {
  10         self.0.len()
  11     }
  12 }
  13
  14 fn main() {
  15     let rc = Rc::new(Foo([1u8,2,3])) as Rc<Foo<[u8]>>;
  16     assert_eq!(3, rc.len());
  17 }