issue-49556.rs

// Copyright 2018 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 iter<'a>(data: &'a [usize]) -> impl Iterator<Item = usize> + 'a {
    data.iter()
        .map(
            |x| x // fn(&'a usize) -> &'(ReScope) usize
        )
        .map(
            |x| *x // fn(&'(ReScope) usize) -> usize
        )
}

fn main() {
}