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