12c334a77b
[breaking-change]
35 lines
1019 B
Rust
35 lines
1019 B
Rust
// Copyright 2012-2014 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.
|
|
|
|
// test that autoderef of a type like this does not
|
|
// cause compiler to loop. Note that no instances
|
|
// of such a type could ever be constructed.
|
|
|
|
|
|
struct t(Box<t>); //~ ERROR this type cannot be instantiated
|
|
|
|
trait to_str_2 {
|
|
fn my_to_string() -> String;
|
|
}
|
|
|
|
// I use an impl here because it will cause
|
|
// the compiler to attempt autoderef and then
|
|
// try to resolve the method.
|
|
impl to_str_2 for t {
|
|
fn my_to_string() -> String { "t".to_string() }
|
|
}
|
|
|
|
fn new_t(x: t) {
|
|
x.my_to_string(); //~ ERROR does not implement
|
|
}
|
|
|
|
fn main() {
|
|
}
|