src/test/run-pass/regions-infer-borrow-scope-view.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
  13 fn view<T>(x: &[T]) -> &[T] {x}
  14
  15 pub fn main() {
  16     let v = vec![1, 2, 3];
  17     let x = view(&v);
  18     let y = view(x);
  19     assert!((v[0] == x[0]) && (v[0] == y[0]));
  20 }