tests/ui/self/arbitrary-self-types-not-object-safe.rs

   1 // revisions: curr object_safe_for_dispatch
   2
   3 #![cfg_attr(object_safe_for_dispatch, feature(object_safe_for_dispatch))]
   4
   5 use std::rc::Rc;
   6
   7 trait Foo {
   8     fn foo(self: &Rc<Self>) -> usize;
   9 }
  10
  11 trait Bar {
  12     fn foo(self: &Rc<Self>) -> usize where Self: Sized;
  13     fn bar(self: Rc<Self>) -> usize;
  14 }
  15
  16 impl Foo for usize {
  17     fn foo(self: &Rc<Self>) -> usize {
  18         **self
  19     }
  20 }
  21
  22 impl Bar for usize {
  23     fn foo(self: &Rc<Self>) -> usize {
  24         **self
  25     }
  26
  27     fn bar(self: Rc<Self>) -> usize {
  28         *self
  29     }
  30 }
  31
  32 fn make_foo() {
  33     let x = Rc::new(5usize) as Rc<dyn Foo>;
  34     //[curr]~^ ERROR E0038
  35     //[curr]~| ERROR E0038
  36     //[object_safe_for_dispatch]~^^^ ERROR E0038
  37 }
  38
  39 fn make_bar() {
  40     let x = Rc::new(5usize) as Rc<dyn Bar>;
  41     x.bar();
  42 }
  43
  44 fn main() {}