// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. fn foo(x: &[int]) -> int { x[0] } pub fn main() { let p = ~[1,2,3,4,5]; let r = foo(p); assert!(r == 1); let p = ~[5,4,3,2,1]; let r = foo(p); assert!(r == 5); }