rust/src/test/run-pass/regions-infer-borrow-scope-view.rs

19 lines
641 B
Rust
Raw Normal View History

// 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 view<'r, T>(x: &'r [T]) -> &'r [T] {x}
2012-07-06 11:14:57 -05:00
pub fn main() {
2012-07-06 11:14:57 -05:00
let v = ~[1, 2, 3];
let x = view(v);
let y = view(x);
2013-03-28 20:39:09 -05:00
assert!((v[0] == x[0]) && (v[0] == y[0]));
2012-07-06 11:14:57 -05:00
}