rust/src/test/run-pass/trait-object-safety.rs

28 lines
760 B
Rust
Raw Normal View History

2014-11-01 22:21:55 -05:00
// 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.
// Check that object-safe methods are identified as such. Also
// acts as a regression test for #18490
trait Tr {
// Static methods are always safe regardless of other rules
fn new() -> Self;
}
struct St;
impl Tr for St {
fn new() -> St { St }
}
fn main() {
&St as &Tr;
}