rust/src/test/compile-fail/borrowck-managed-pointer-deref-scope.rs
2014-08-09 22:08:36 -04:00

35 lines
893 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.
// Verify that managed pointers scope is treated like owned pointers.
// regression test for #11586
use std::gc::{GC, Gc};
fn foo(x: &Gc<int>) -> &int {
match x {
&ref y => {
&**y // Do not expect an error here
}
}
}
fn bar() {
let a = 3i;
let mut y = &a;
if true {
let x = box(GC) 3i;
y = &*x; //~ ERROR `*x` does not live long enough
}
}
fn main() {}