rust/src/test/compile-fail/borrowck-confuse-region.rs
2012-12-10 17:32:58 -08:00

27 lines
955 B
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.
// Here we are checking that a reasonable error msg is provided.
//
// The current message is not ideal, but we used to say "borrowed
// pointer has lifetime &, but the borrowed value only has lifetime &"
// which is definitely no good.
fn get() -> &int {
//~^ NOTE borrowed pointer must be valid for the anonymous lifetime #1 defined on
//~^^ NOTE ...but borrowed value is only valid for the block at
let x = 3;
return &x;
//~^ ERROR illegal borrow
}
fn main() {}