rust/src/test/run-pass/uniq-self-in-mut-slot.rs
Alex Crichton ec7c800d2f Remove pretty-expanded from failing tests
This commit removes pretty-expanded from all tests that wind up calling panic!
one way or another now that its internals are unstable.
2015-04-08 17:21:34 -07:00

35 lines
836 B
Rust

// Copyright 2013 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)]
struct X {
a: isize
}
trait Changer {
fn change(mut self: Box<Self>) -> Box<Self>;
}
impl Changer for X {
fn change(mut self: Box<X>) -> Box<X> {
self.a = 55;
self
}
}
pub fn main() {
let x: Box<_> = box X { a: 32 };
let new_x = x.change();
assert_eq!(new_x.a, 55);
}