rust/src/test/compile-fail/issue-2063.rs
2014-04-18 17:25:34 -07:00

33 lines
999 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(~t); //~ ERROR this type cannot be instantiated
trait to_str_2 {
fn my_to_str() -> ~str;
}
// 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_str() -> ~str { "t".to_owned() }
}
fn new_t(x: t) {
x.my_to_str(); //~ ERROR does not implement
}
fn main() {
}