// Copyright 2015 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 test(it: &mut Iterator) { for x in it { assert_eq!(x, 1) } } fn main() { let v = vec![1]; test(&mut v.into_iter()) }