rust/src/test/compile-fail/use-after-move-implicity-coerced-object.rs

41 lines
997 B
Rust

// 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.
// ignore-tidy-linelength
use std::fmt;
struct Number {
n: i64
}
impl fmt::Show for Number {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{}", self.n)
}
}
struct List {
list: Vec<Box<ToString+'static>> }
impl List {
fn push(&mut self, n: Box<ToString+'static>) {
self.list.push(n);
}
}
fn main() {
let n = box Number { n: 42 };
let mut l = box List { list: Vec::new() };
l.push(n);
let x = n.to_string();
//~^ ERROR: use of moved value: `n`
}