blob: ed8c5e965706719fbe743de36f50c905aeedf339 (
plain)
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
|
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// compile-pass
// pretty-expanded FIXME #23616
pub struct Foo;
pub trait Bar {
fn bar(&self);
}
pub trait Baz {
fn baz(&self) { }
}
impl<T: Baz> Bar for T {
fn bar(&self) {}
}
impl Baz for Foo {}
pub fn foo(t: Box<Foo>) {
t.bar(); // ~Foo doesn't implement Baz
(*t).bar(); // ok b/c Foo implements Baz
}
fn main() {}
|
