rust/src/test/compile-fail/borrowck-uniq-via-lend.rs
Patrick Walton 5c3504799d librustc: Remove &const and *const from the language.
They are still present as part of the borrow check.
2013-08-27 18:46:51 -07:00

61 lines
1.2 KiB
Rust

// Copyright 2012 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.
fn borrow(_v: &int) {}
fn local() {
let mut v = ~3;
borrow(v);
}
fn local_rec() {
struct F { f: ~int }
let mut v = F {f: ~3};
borrow(v.f);
}
fn local_recs() {
struct F { f: G }
struct G { g: H }
struct H { h: ~int }
let mut v = F {f: G {g: H {h: ~3}}};
borrow(v.f.g.h);
}
fn aliased_imm() {
let mut v = ~3;
let _w = &v;
borrow(v);
}
fn aliased_mut() {
let mut v = ~3;
let _w = &mut v;
borrow(v); //~ ERROR cannot borrow `*v`
}
fn aliased_other() {
let mut v = ~3;
let mut w = ~4;
let _x = &mut w;
borrow(v);
}
fn aliased_other_reassign() {
let mut v = ~3;
let mut w = ~4;
let mut _x = &mut w;
_x = &mut v;
borrow(v); //~ ERROR cannot borrow `*v`
}
fn main() {
}