rust/src/test/compile-fail/regions-ret-borrowed-1.rs

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// 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.
// Similar to regions-ret-borrowed.rs, but using a named lifetime. At
// some point regions-ret-borrowed reported an error but this file did
// not, due to special hardcoding around the anonymous region.
fn with<R>(f: &fn(x: &'a int) -> R) -> R {
f(&3)
}
fn return_it() -> &'a int {
with(|o| o) //~ ERROR mismatched types
//~^ ERROR reference is not valid outside of its lifetime
}
fn main() {
let x = return_it();
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debug!("foo=%d", *x);
}