rust/src/test/compile-fail/unop-move-semantics.rs
Niko Matsakis 2387651f7d Update the "English-language" to-string function of a cmt to use
more modern terminology and update tests accordingly.
2015-01-08 09:19:27 -05:00

40 lines
1.1 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.
// Test that move restrictions are enforced on overloaded unary operations
use std::ops::Not;
fn move_then_borrow<T: Not<Output=T> + Clone>(x: T) {
!x;
x.clone(); //~ ERROR: use of moved value
}
fn move_borrowed<T: Not<Output=T>>(x: T, mut y: T) {
let m = &x;
let n = &mut y;
!x; //~ ERROR: cannot move out of `x` because it is borrowed
!y; //~ ERROR: cannot move out of `y` because it is borrowed
}
fn illegal_dereference<T: Not<Output=T>>(mut x: T, y: T) {
let m = &mut x;
let n = &y;
!*m; //~ ERROR: cannot move out of borrowed content
!*n; //~ ERROR: cannot move out of borrowed content
}
fn main() {}