66 lines
1.7 KiB
Rust
66 lines
1.7 KiB
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.
|
|
|
|
#![feature(box_syntax)]
|
|
|
|
use std::thread;
|
|
|
|
fn borrow<T>(_: &T) { }
|
|
|
|
fn different_vars_after_borrows() {
|
|
let x1: Box<_> = box 1;
|
|
let p1 = &x1;
|
|
let x2: Box<_> = box 2;
|
|
let p2 = &x2;
|
|
thread::spawn(move|| {
|
|
drop(x1); //~ ERROR cannot move `x1` into closure because it is borrowed
|
|
drop(x2); //~ ERROR cannot move `x2` into closure because it is borrowed
|
|
});
|
|
borrow(&*p1);
|
|
borrow(&*p2);
|
|
}
|
|
|
|
fn different_vars_after_moves() {
|
|
let x1: Box<_> = box 1;
|
|
drop(x1);
|
|
let x2: Box<_> = box 2;
|
|
drop(x2);
|
|
thread::spawn(move|| {
|
|
drop(x1); //~ ERROR capture of moved value: `x1`
|
|
drop(x2); //~ ERROR capture of moved value: `x2`
|
|
});
|
|
}
|
|
|
|
fn same_var_after_borrow() {
|
|
let x: Box<_> = box 1;
|
|
let p = &x;
|
|
thread::spawn(move|| {
|
|
drop(x); //~ ERROR cannot move `x` into closure because it is borrowed
|
|
drop(x); //~ ERROR use of moved value: `x`
|
|
});
|
|
borrow(&*p);
|
|
}
|
|
|
|
fn same_var_after_move() {
|
|
let x: Box<_> = box 1;
|
|
drop(x);
|
|
thread::spawn(move|| {
|
|
drop(x); //~ ERROR capture of moved value: `x`
|
|
drop(x); //~ ERROR use of moved value: `x`
|
|
});
|
|
}
|
|
|
|
fn main() {
|
|
different_vars_after_borrows();
|
|
different_vars_after_moves();
|
|
same_var_after_borrow();
|
|
same_var_after_move();
|
|
}
|