rust/src/test/run-pass/issue-5550.rs

// Copyright 2013 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.

#![allow(dead_assignment)]

pub fn main() {
    let s: String = "foobar".to_string();
    let mut t: &str = s.as_slice();
    t = &t[0..3]; // for master: str::view(t, 0, 3) maybe
}