// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. pub struct CrateId { local_path: String, junk: String } impl CrateId { fn new(s: &str) -> CrateId { CrateId { local_path: s.to_string(), junk: "wutevs".to_string() } } } pub fn remove_package_from_database() { let mut lines_to_use: Vec<&CrateId> = Vec::new(); //~ ERROR E0495 let push_id = |installed_id: &CrateId| { lines_to_use.push(installed_id); }; list_database(push_id); for l in &lines_to_use { println!("{}", l.local_path); } } pub fn list_database(mut f: F) where F: FnMut(&CrateId) { let stuff = ["foo", "bar"]; for l in &stuff { f(&CrateId::new(*l)); } } pub fn main() { remove_package_from_database(); }