ec7c800d2f
This commit removes pretty-expanded from all tests that wind up calling panic! one way or another now that its internals are unstable.
32 lines
873 B
Rust
32 lines
873 B
Rust
// Copyright 2012 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.
|
|
|
|
|
|
#![allow(unknown_features)]
|
|
#![feature(box_syntax)]
|
|
|
|
trait repeat<A> { fn get(&self) -> A; }
|
|
|
|
impl<A:Clone + 'static> repeat<A> for Box<A> {
|
|
fn get(&self) -> A {
|
|
(**self).clone()
|
|
}
|
|
}
|
|
|
|
fn repeater<A:Clone + 'static>(v: Box<A>) -> Box<repeat<A>+'static> {
|
|
box v as Box<repeat<A>+'static> // No
|
|
}
|
|
|
|
pub fn main() {
|
|
let x = 3;
|
|
let y = repeater(box x);
|
|
assert_eq!(x, y.get());
|
|
}
|