rust/src/test/ui/run-pass/issues/issue-21655.rs

// 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 <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 test(it: &mut Iterator<Item=i32>) {
    for x in it {
        assert_eq!(x, 1)
    }
}

fn main() {
    let v = vec![1];
    test(&mut v.into_iter())
}