rust/src/test/compile-fail/borrowck/borrowck-borrow-immut-deref-of-box-as-mut.rs
2016-02-24 18:40:39 -05:00

25 lines
672 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.
#![feature(box_syntax)]
struct A;
impl A {
fn foo(&mut self) {
}
}
pub fn main() {
let a: Box<_> = box A;
a.foo();
//~^ ERROR cannot borrow immutable `Box` content `*a` as mutable
}