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

   1 // Copyright 2012 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11
  12 #![allow(unknown_features)]
  13 #![feature(box_syntax)]
  14
  15 struct Point {x: isize, y: isize}
  16
  17 fn x_coord(p: &Point) -> &isize {
  18     return &p.x;
  19 }
  20
  21 pub fn main() {
  22     let p: Box<_> = box Point {x: 3, y: 4};
  23     let xc = x_coord(&*p);
  24     assert_eq!(*xc, 3);
  25 }